diff --git a/app/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java b/app/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
index 1793a35f5..c314447bb 100644
--- a/app/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
+++ b/app/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
@@ -41,12 +41,23 @@ public class LauncherPreferences
                 "-Xms" + (androidHeap > 800 ? 800 : androidHeap) + "m " +
                 // (32bit) More than 800mb may make JVM not allocateable and crash
                 "-Xmx" + (doubleAndroidHeap > 800 ? 800 : doubleAndroidHeap) + "m " +
-                "-XX:+UnlockExperimentalVMOptions " +
                 "-XX:+UseG1GC " +
-                "-XX:G1NewSizePercent=20 " +
-                "-XX:G1ReservePercent=20 " +
-                "-XX:MaxGCPauseMillis=50 " +
-                "-XX:G1HeapRegionSize=32M";
+                "-XX:+ParallelRefProcEnabled " +
+                "-XX:MaxGCPauseMillis=200 " +
+                "-XX:+UnlockExperimentalVMOptions " +
+                "-XX:+AlwaysPreTouch " +
+		"-XX:G1NewSizePercent=30 " +
+		"-XX:G1MaxNewSizePercent=40 " +
+		"-XX:G1HeapRegionSize=8M " +
+		"-XX:G1ReservePercent=20 " +
+		"-XX:G1HeapWastePercent=5 " +
+	        "-XX:G1MixedGCCountTarget=4 " +
+		"-XX:InitiatingHeapOccupancyPercent=15 " +
+		"-XX:G1MixedGCLiveThresholdPercent=90 " +
+		"-XX:G1RSetUpdatingPauseTimePercent=5 " +
+		"-XX:SurvivorRatio=32 " +
+		"-XX:+PerfDisableSharedMem " +
+                "-XX:MaxTenuringThreshold=1";
             
             PREF_CUSTOM_JAVA_ARGS = DEFAULT_JAVA_ARGS;
             DEFAULT_PREF.edit().putString("javaArgs", DEFAULT_JAVA_ARGS).commit();