diff --git a/README.md b/README.md
index e578f2440..4f7784fd4 100644
--- a/README.md
+++ b/README.md
@@ -5,16 +5,25 @@ A Minecraft: Java Edition launcher for Android based from Boardwalk. This branch
 ## This branch?
 - Attempt to run Minecraft in OpenJDK, different a bit with Boardwalk 2.
 
+## About OpenJDK 9 Java Runtime Mobile
+Build script: [PojavLauncherTeam/android-openjdk-build-multiarch](https://github.com/PojavLauncherTeam/android-openjdk-build-multiarch)<br>
+Source code: http://hg.openjdk.java.net/mobile/jdk9 <br>
+Architectures:
+- For ARMv7 (aarch32): **working**.
+- For ARM64 (aarch64): **working, but OpenGL doesn't**.
+- For x86 (i\*86): **working**.
+- For x86_64 (amd64): untested.
+
 ## Current status
 - [x] **Removed** ~~BinaryExecutor: execute `java` binary, no `JNIInvocation`.~~
 - [x] **Temporary removed** ~~JVDroid OpenJDK 11 (32 and 64-bit ARM and x86). Partial, no error `can't lock mutex`, but now exit with none output.~~
 - [x] OpenJDK 9 Mobile port
-- [ ] AWT/Swing for mod installer.Will try own graphics environment~~use `Caciocavallo` project~~.
+- [ ] AWT/Swing for mod installer. Will try own graphics environment~~use `Caciocavallo` project~~.
 - [x] OpenGL in OpenJDK environment
-- [ ] OpenAL
+- [x] OpenAL (work on most devices)
 - [x] Input keyboard and mouse events from ART to OpenJDK environment
-- [ ] Support Minecraft 1.12 and below. Used GLFW stub.
-- [x] Support Minecraft 1.13 and above. Will make a wrapper LWJGL2 to 3.
+- [ ] Support Minecraft 1.12 and below.
+- [x] Support Minecraft 1.13 and above. Used GLFW stub.
 - [ ] More...
 
 ## License