diff --git a/android/assets/jsons/Translations/Buildings.json b/android/assets/jsons/Translations/Buildings.json
index fa88220544..9da9c0d00a 100644
--- a/android/assets/jsons/Translations/Buildings.json
+++ b/android/assets/jsons/Translations/Buildings.json
@@ -1146,6 +1146,8 @@
 		Polish:"Wat"
 		//same in French
 		Czech:"Vat"
+		Simplified_Chinese:"经院"
+		Traditional_Chinese:"經院"
 }
 
 	"Oxford University":{
@@ -1951,12 +1953,15 @@
 		Italian:"Porta di Brandeburgo"
 		Polish:"Brama Brandenburska"
 		Czech:"Brandenburgská brána"
+		Simplified_Chinese:"勃兰登堡门"
+		Traditional_Chinese:"勃蘭登堡門"
 	}
 	
 	"Free Great General appears near the Capital":{
 		Italian:"Appare un Grande Generale vicino alla Capitale"
 		Polish:"Pojawia się Darmowy Wielski Generał w pobliżu Stolicy."
-        Traditional_Chinese:"免費的大軍事家已經在首都附近出現"
+		Simplified_Chinese:"免费的大軍事家出现在首都附近"
+        Traditional_Chinese:"免費的大軍事家出現在首都附近"
 		Czech:"Velký Generál zdarma se objevil poblíž hlavního města"
 	}
 	
@@ -1964,7 +1969,8 @@
 		Italian:"'La pallida morte batte ugualmente alla porta del povero e al palazzo del re.' - Orazio",
 		Polish:"'Blada Śmierć puka zarówno do drzwi biedaka, jak i do pałaców królów.' - Horacy"
 		Czech:"'Bledá smrt klepe u vrat chudáka stejně jako na královský palác.' - Horatius"
-		
+		Simplified_Chinese:"“苍白的死神平等地叩响穷人房舍的小门和国王宫殿的大门。”——昆图斯·贺拉斯·弗拉库斯"
+		Traditional_Chinese:"“蒼白的死神平等地叩響窮人房舍的小門和國王宮殿的大門。”——昆圖斯·賀拉斯·弗拉庫斯"
 	}
 
 	"Broadcast Tower":{
diff --git a/android/assets/jsons/Translations/Diplomacy,Trade,Nations.json b/android/assets/jsons/Translations/Diplomacy,Trade,Nations.json
index bec2a1b1f0..a8e7b511a0 100644
--- a/android/assets/jsons/Translations/Diplomacy,Trade,Nations.json
+++ b/android/assets/jsons/Translations/Diplomacy,Trade,Nations.json
@@ -712,19 +712,22 @@
 
 	"Reach 30 for friendship.":{
 		Italian:"Stringi un'amicizia superando il limite minimo di 30 Influenza."
-		Traditional_Chinese:"到達30以建立友誼"
+		Simplified_Chinese:"影响力到达30以建立友谊"
+		Traditional_Chinese:"影響力到達30以建立友誼"
 		Czech:"Získejte vliv 30 a více pro dosažení přátelství."
 }
 
 	"Reach highest influence above 60 for alliance.":{
 		Italian:"Stringi un'alleanza superando 60 Influenza al di sopra di tutti."
-		Traditional_Chinese:"到達60以成為友邦同盟"
+		Simplified_Chinese:"影响力≥60且高于其他文明以成为友邦同盟"
+		Traditional_Chinese:"影響力≥60且高於其他文明以成為友邦同盟"
 		Czech:"Získejte vliv 60 a více pro dosažení aliance."
 }
 
 	"Ally: ":{
 		Italian:"Alleati: "
-		Traditional_Chinese:"同盟: "
+		Simplified_Chinese:"同盟："
+		Traditional_Chinese:"同盟："
 		Czech:"Aliance: "
 }
 
@@ -783,7 +786,7 @@
 		French:"Nos articles"
 		Romanian:"Articolele noastre"
 		Spanish:"Nuestros ítems"
-		Simplified_Chinese:"我们的交易项"
+		Simplified_Chinese:"我们的贸易项目"
 		Traditional_Chinese:"我們的貿易項目"
 		Portuguese:"Nossos itens/recursos"
 		German:"Unsere Gegenstände"
@@ -822,8 +825,8 @@
 		French:"Les articles de [otherCiv]"
 		Romanian:"Articolele de la [otherCiv]"
 		Spanish:"Ítems de [otherCiv]"
-		Simplified_Chinese:"[otherCiv]的交易项"
-		Traditional_Chinese:"[otherCiv]的交易項目"
+		Simplified_Chinese:"[otherCiv]的贸易项目"
+		Traditional_Chinese:"[otherCiv]的貿易項目"
 		Portuguese:"Itens da(o/e) [otherCiv]"
 		German:"[otherCiv]s Gegenstände",
 		Czech:"[otherCiv] obchodní artikly"
@@ -897,7 +900,7 @@
 		French:"Il n'y a rien a échangé" //if it's in case of empty trade it's accurate
 		Romanian:"Nu e nimic pe masă"
 		Spanish:"¿Estas de broma?"
-		Simplified_Chinese:"未选中任何交易项"
+		Simplified_Chinese:"未选择任何交易"
 		Traditional_Chinese:"未選擇任何交易"
 		Portuguese:"Não ha nada á mesa"
 		German:"Der Verhandlungstisch ist leer"
@@ -1650,19 +1653,24 @@
 		French:"Siam"
 		Portuguese:"Siam" //not sure but will do
 		Czech:"Siam"
+		Simplified_Chinese:"暹罗"
+		Traditional_Chinese:"暹羅"
 }
 
 	"Ramkhamhaeng":{
 		Italian:"Ramkhamhaeng" //Same as in Italian
 		Czech: "Ram Khamhaeng"
+		Simplified_Chinese:"兰甘亨"
+		Traditional_Chinese:"蘭甘亨"
 }
 
-	"Food and Culture from Friendly City-States increased by 50%.":{
+	"Food and Culture from Friendly City-States are increased by 50%":{
 		Italian:"+50% Cibo e Cultura ricevute dalle Città-Stato amiche o alleate."
 		Portuguese:"Comida e cultura de cidades-estado amigas aumentada em 50%."
 		French:"La Nourriture et la Culture fournit par les cités-états sont augmentées de 50%"
 		Czech:"Jídlo a Kulturní body z spřátelených Městských států se zvednou o 50%."
-		Traditional_Chinese:"來自友好城邦的食物和文化增加50%"
+		Simplified_Chinese:"友好城邦提供的食物和文化增加50%"
+		Traditional_Chinese:"友好城邦提供的食物和文化增加50%"
 }
 
 	/*
diff --git a/android/assets/jsons/Translations/NewGame,SaveGame,LoadGame,Options.json b/android/assets/jsons/Translations/NewGame,SaveGame,LoadGame,Options.json
index cebc3933f1..b81c0e7459 100644
--- a/android/assets/jsons/Translations/NewGame,SaveGame,LoadGame,Options.json
+++ b/android/assets/jsons/Translations/NewGame,SaveGame,LoadGame,Options.json
@@ -85,6 +85,7 @@
 	"One City Challenge":{
 		Italian:"Sfida a città singola"
 		Polish:"Wyzwanie z limitem 1 miasta",
+		Simplified_Chinese:"单城市挑战"
 		Traditional_Chinese:"單城市挑戰"
 		Czech:"Výzva - Jen jedno město"
 	}
@@ -93,7 +94,7 @@
 		Italian:"Niente barbari"
 		French:"Pas de barbare"
 		Simplified_Chinese:"无蛮族"
-		Traditional_Chinese:"停用蠻族"
+		Traditional_Chinese:"無蠻族"
 		Russian:"Без варваров"
                 Korean:"야만인 없음"
 		Polish:"Brak barbarzyńców"
@@ -104,7 +105,8 @@
 	"No ancient ruins": {
 		Italian:"Niente antiche rovine"
 		Polish:"Bez antycznych ruin",
-		Traditional_Chinese:"無古代遺跡"
+		Simplified_Chinese:"无远古遗迹"
+		Traditional_Chinese:"無遠古遺跡"
 		Czech:"Bez starobylých ruin"
 	}
 
@@ -123,7 +125,7 @@
 	"Scientific": {//it can be showed correct as usual in chinese, so I'm not translate it.
 		Italian:"Scientifica"
 		French: "Scientifique"
-		Simplified_Chinese:"科技胜利"
+		Simplified_Chinese:"科技"
 		Traditional_Chinese:"科技"
 		Russian:"Научная"
                 Korean:"과학"
@@ -135,7 +137,7 @@
 	"Domination": {//it can be showed correct as usual in chinese, so I'm not translate it.
 		Italian:"Dominazione"
 		French: "Conquete"
-		Simplified_Chinese:"征服胜利"
+		Simplified_Chinese:"征服"
 		Traditional_Chinese:"征服"
 		Russian:"Завоевание"
                 Korean:"정복"
@@ -147,7 +149,7 @@
 	"Cultural": {//it can be showed correct as usual in chinese, so I'm not translate it.
 		Italian:"Culturale"
 		French: "Culturelle"
-		Simplified_Chinese:"文化胜利"
+		Simplified_Chinese:"文化"
 		Traditional_Chinese:"文化"
 		Russian:"Культурная"
                 Korean:"문화"
@@ -981,8 +983,8 @@
 	"Turns between autosaves":{
 		Italian:"Turni tra autosalvataggi"
 		French:"Tours avant sauvegarde automatique"
-		Simplified_Chinese:"自动存档相隔回合"
-		Traditional_Chinese:"自動存檔/回合",
+		Simplified_Chinese:"自动存档间隔回合"
+		Traditional_Chinese:"自動存檔間隔回合",
 		Portuguese:"Turnos entre autosaves"
 		Russian:"Кол-во ходов между автосохранениями"
                 Korean:"자동 저장 라운드"
@@ -994,7 +996,7 @@
 		Italian:"Volume effetti"
 		French:"Volume sonore"
 		Simplified_Chinese:"音效音量"
-		Traditional_Chinese:"音量"
+		Traditional_Chinese:"音效音量"
 		Russian:"Громкость звука"
                 Korean:"음향효과 음량"
 		Czech:"Hlasitost zvuků"
@@ -1010,16 +1012,21 @@
 
 	"Download music":{
 		Italian:"Scarica musica",
+		Simplified_Chinese:"下载音乐"
 		Traditional_Chinese:"下載音樂"
 		Czech:"Stáhnout hudbu"
 }
 
 	"Downloading...": {
 		Czech:"Probíhá stahování..."
+		Simplified_Chinese:"下载中..."
+		Traditional_Chinese:"下載中..."
 }
 
 	"Could not download music!": {
 		Czech:"Nepodařilo se stáhnout hudbu!"
+		Simplified_Chinese:"无法下载音乐！"
+		Traditional_Chinese:"無法下載音樂！"
 }
 
 	"Show":{
diff --git a/android/assets/jsons/Translations/Notifications.json b/android/assets/jsons/Translations/Notifications.json
index cae86aa0fc..e483f65421 100644
--- a/android/assets/jsons/Translations/Notifications.json
+++ b/android/assets/jsons/Translations/Notifications.json
@@ -125,7 +125,7 @@
 		Dutch:"[cityName] is gesticht!"
 		Spanish:"¡[cityName] ha sido fundada!"
 		Simplified_Chinese:"已建立城市：[cityName]！"
-		Traditional_Chinese:"已經建立了城市：[cityName]!"
+		Traditional_Chinese:"已建立城市：[cityName]!"
 		Portuguese:"[cityName] foi fundada!"
 		Japanese:"[cityName]が設立されました！",
 		Czech:"Město [cityName] bylo založeno!"
@@ -156,8 +156,8 @@
 		German:"[construction] wurde in [cityName] fertiggestellt"
 		Dutch:"[construction] is gebouwd in [cityName]"
 		Spanish:"[construction] se ha construido en [cityName]"
-		Simplified_Chinese:"[cityName]已建造/组建[construction]"
-		Traditional_Chinese:"[construction]已經在[cityName]被建造"
+		Simplified_Chinese:"[construction]已经在[cityName]被建造/组建"
+		Traditional_Chinese:"[construction]已經在[cityName]被建造/訓練"
 		Portuguese:"o(a) [construction] foi construirdo em [cityName]"
 		Japanese:"[construction]は[cityName]に建てられました",
 		Czech:"[construction] - stavba dokončena ve městě [cityName]"
@@ -169,7 +169,7 @@
 		French:"[wonder] a été construit(e) dans un lointain pays"
 		Russian:"[wonder] был построен в далёких землях"
 		Simplified_Chinese:"[wonder]已在遥远的土地上建成"
-		Traditional_Chinese:"[wonder]已在遙遠的土地上建造完畢"
+		Traditional_Chinese:"[wonder]已在遙遠的土地上建成"
 		Czech:"Div světa [wonder] byl vybudován ve vzdálené zemi"
 		Ukrainian:"[wonder] збудовано за тридевʼять земель"
 	}
@@ -183,7 +183,7 @@
 		Dutch:"Werk is begonen aan [construction]"
 		Spanish:"Se ha empezado a trabajar en [construction]"
 		Simplified_Chinese:"开始建造/组建：[construction]",
-		Traditional_Chinese:"開始建造：[construction]",
+		Traditional_Chinese:"開始建造/訓練：[construction]",
 		Portuguese:"Os trabalhos começaram no(a) [construction]"
 		Japanese:"[construction]の作業が開始されました",
 		Czech:"Začali jsme stavět - [construction]"
@@ -195,7 +195,7 @@
 		French:"[cityName] ne peut plus travailler sur [construction]"
 		Russian:"[cityName] не может продолжать работу над [construction]",
 		Simplified_Chinese:"[cityName]无法继续建造/组建[construction]",
-		Traditional_Chinese:"[cityName]無法繼續建造[construction]",
+		Traditional_Chinese:"[cityName]無法繼續建造/訓練[construction]",
 		Czech:"Město [cityName] nemůže pokračovat ve stavbě budovy [construction]"
 		Ukrainian:"[construction]: неможливо продовжити будувати в місті [cityName]"
 	}
@@ -618,8 +618,8 @@
 		German: "[unit] hat die Erkundung abgeschlossen."
 		French:"[unit] a fini d'explorer"
 		Russian:"[unit] завершил исследование местности."
-		Simplified_Chinese:"[unit]已完成探索。"
-		Traditional_Chinese:"[unit]已完成探索。"
+		Simplified_Chinese:"[unit]已完成探索"
+		Traditional_Chinese:"[unit]已完成探索"
 		Czech:"Jednotka [unit] dokončila průzkum."
 		Ukrainian:"Підрозділ [unit] закінчив обстеження."
 	}
@@ -629,8 +629,8 @@
 		German:"[unit] hat keine Arbeit mehr."
 		French:"[unit] n'a rien à faire"
 		Russian:"[unit] завершил все доступные работы."
-		Simplified_Chinese:"[unit]处于闲置状态。"
-		Traditional_Chinese:"[unit]處於閒置狀態。"
+		Simplified_Chinese:"[unit]处于闲置状态"
+		Traditional_Chinese:"[unit]處於閒置狀態"
 		Czech:"Jednotka [unit] nemá nic dalšího na práci."
 		Ukrainian:"Підрозділ [unit] без роботи."
 	}
@@ -639,8 +639,8 @@
 		Italian:"Stai perdendo il controllo di [name]."
 		French:"Vous perdez le contrôle de [name]"
 		Russian:"Вы теряете влияние на [name]."
-		Simplified_Chinese:"您正在失去与[name]的脆弱友谊。"
-		Traditional_Chinese:"您已經失去了與[name]的脆弱友誼。"
+		Simplified_Chinese:"您正在失去与[name]的脆弱友谊"
+		Traditional_Chinese:"您正在失去與[name]的脆弱友誼"
 		Czech:"Ztratili jsme přátelství s městským státem [name]."
 		Ukrainian:"Втрачається контроль над містом-державою [name]."
 	}
@@ -659,8 +659,8 @@
 		Italian:"L'alleanza con [name] si sta sfaldando."
 		French:"Votre alliance avec [name] est vacillante."
 		Russian:"Ваш союз с [name] заканчивается."
-		Simplified_Chinese:"您与[name]的盟友关系正日薄西山。"
-		Traditional_Chinese:"您與[name]的盟友關係正日薄西山。"
+		Simplified_Chinese:"您与[name]的盟友关系正日薄西山"
+		Traditional_Chinese:"您與[name]的盟友關係正日薄西山"
 		Czech:"Naše aliance s městským státem [name] slábne."
 		Ukrainian:"Захитався альянс з містом-державою [name]"
 	}
@@ -706,6 +706,8 @@
 	"[cityName] has been disconnected from your capital!":{
 		Italian:"Collegamento tra la Capitale e [cityName] interrotto!"
 		Czech:"Město [cityName] bylo odpojeno od našeho hlavního města!"
+		Simplified_Chinese:"[cityName]与您的首都的连接已经中断！"
+		Traditional_Chinese:"[cityName]與您的首都的連接已經中斷！"
 	}
 
 	// Trade
@@ -722,7 +724,7 @@
 		Italian:"[civName] ha rifiutato la nostra offerta commerciale."
 		Russian:"[civName] отклонил ваше торговое предложение"
 		Simplified_Chinese:"[civName]拒绝了您的贸易请求"
-		Traditional_Chinese:"[civName]否決了你的貿易請求"
+		Traditional_Chinese:"[civName]拒絕了你的貿易請求"
 		Czech:"Civilizace [civName] zamítla naši obchodní nabídku"
 		Ukrainian:"Цивілізація [civName] відкинула угоду"
 	}
@@ -741,6 +743,7 @@
 
 	"[tradeOffer] to [otherCivName] has ended":{
 		Italian:"Accordo di [tradeOffer] verso [otherCivName] terminato",
+		Simplified_Chinese:"与[otherCivName]的[tradeOffer]协议已经结束",
 		Traditional_Chinese:"與[otherCivName]的[tradeOffer]協議已經結束"
 		Czech:"[tradeOffer] s civilizací [otherCivName] je u konce."
 	}
@@ -752,7 +755,7 @@
 		French:"Un de nos échanges avec [nation] a pris fin"
 		Russian:"Торговая сделка с [nation] завершилась"
 		Simplified_Chinese:"我们与[nation]的一项贸易已经结束",
-		Traditional_Chinese:"我们与[nation]的贸易已经结束",
+		Traditional_Chinese:"我們與[nation]的一項贸易已經結束",
 		Czech:"Jedna z našich obchodních spoluprací s národem [nation] je u konce"
 		Ukrainian:"Закінчилася одна з наших угод з [nation]"
 	}
@@ -761,8 +764,8 @@
 		Italian:"Un nostro accordo con [nation] è stato interrotto."
 		French:"L'un de nos accord commercial avec [nation] s'est arrêté"
 		Russian:"Торговая сделка с [nation] была завершена досрочно"
-		Simplified_Chinese:"我们与[nation]的贸易已被削减"
-		Traditional_Chinese:"我们与[nation]的贸易已被消减"
+		Simplified_Chinese:"我们与[nation]的一项贸易已被削减"
+		Traditional_Chinese:"我們與[nation]的一項貿易已被削减"
 		Czech:"Jedna z našich obchodních spoluprací s národem [nation] se blíží ke konci"
 		Ukrainian:"Достроково закінчилася одна з наших угод з [nation]"
 	}
@@ -787,13 +790,15 @@
 
 	"We have allied with [nation].": {
 		Italian:"Abbiamo stretto un'alleanza con [nation]."
-		Traditional_Chinese:"我們已和 [nation] 結為同盟"
+		Simplified_Chinese:"我们已和[nation]缔结同盟"
+		Traditional_Chinese:"我們已和[nation]締結同盟"
 		Czech:"Uzavřeli jsme alianci s civilizací [nation]."
 	}
 
 	"We have lost alliance with [nation].": {
 		Italian:"Non siamo più alleati di [nation]."
-		Traditional_Chinese:"我們和 [nation] 不再是同盟關係"
+		Simplified_Chinese:"我们和[nation]不再是同盟关系"
+		Traditional_Chinese:"我們和[nation]不再是同盟關係"
 		Czech:"Ztratili jsme alianci s civilizací [nation]."
 	}
 }
diff --git a/android/assets/jsons/Translations/Other.json b/android/assets/jsons/Translations/Other.json
index 70565096d0..7354ac731c 100644
--- a/android/assets/jsons/Translations/Other.json
+++ b/android/assets/jsons/Translations/Other.json
@@ -989,8 +989,8 @@
 		German:"Bauwerk auswählen"
 		Dutch:"Bouwwerk kiezen"
 		Spanish:"Elige la construcción"
-		Simplified_Chinese:"选择建筑"
-		Traditional_Chinese:"選擇建築"
+		Simplified_Chinese:"选择建造/组建项目"
+		Traditional_Chinese:"選擇建造/訓練項目"
 		Portuguese:"Escolher construção"
 		Japanese:"ピック建設"
 		Czech:"Zvolte konstrukci"
@@ -2599,13 +2599,15 @@
 
 	"Destroy":{
 		Italian:"Distruggi"
+		Simplified_Chinese:"摧毁"
 		Traditional_Chinese:"摧毀"
 		Czech:"Zničit"
 }
 
 	"Destroying the city instantly razes the city to the ground.":{
 		Italian:"Questa opzione ti consente di radere immediatamente al suolo la città"
-		Traditional_Chinese:"摧毀一座城市會將城市夷為平地"
+		Simplified_Chinese:"摧毁一座城市会將城市夷为平地。"
+		Traditional_Chinese:"摧毀一座城市會將城市夷為平地。"
 		Czech:"Zničení města okamžitě srovná město se zemí."
 }
 
@@ -2875,7 +2877,7 @@
 	"Version":{
 		Italian:"Versione"
 		Russian:"Версия"
-		Simplified_Chinese:"版本号"
+		Simplified_Chinese:"版本"
 		Traditional_Chinese:"版本"
 		French:"Version"
 		Portuguese:"Versão"
diff --git a/android/assets/jsons/Translations/Units,Promotions.json b/android/assets/jsons/Translations/Units,Promotions.json
index 0c7842cf3e..377d390ef1 100644
--- a/android/assets/jsons/Translations/Units,Promotions.json
+++ b/android/assets/jsons/Translations/Units,Promotions.json
@@ -805,6 +805,8 @@
 	"Naresuan's Elephant":{
 		Italian:"Elefante di Naresuan"
 		Czech:"Naresuanův slon"
+		Simplified_Chinese:"纳黎萱战象"
+		Traditional_Chinese:"納黎萱戰象"
 	}
 
 	"Samurai":{
diff --git a/build.gradle b/build.gradle
index 6f57e2c521..e72a908138 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ buildscript {
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
         classpath 'de.richsource.gradle.plugins:gwt-gradle-plugin:0.6'
-        classpath 'com.android.tools.build:gradle:3.5.1'
+        classpath 'com.android.tools.build:gradle:3.5.2'
         classpath 'com.mobidevelop.robovm:robovm-gradle-plugin:2.3.1'
     }
 }