BoolkaSDK

First open-source Geometry Dash cross-platform Modding SDK

Requirements

• CMake 3.21
• Android NDK r23
• LLVM x86
• Java and ApkTool

Building

• Open CMakeLists.txt and change NDK_ROOT to your NDK root folder path
• Set BUILD_TARGET to windows or android
• cmake -S . -B build -G 'Ninja'
• cmake --build build --config Release

Loading .so on Android

• Download Geometry Dash apk
• apktool d GeometryDash.apk
• Open GeometryDash/smali/com/robtopx/geometryjump/GeometryJump.smali
• Go to line 19 and after invoke-static {v0}, Ljava/lang/System;->loadLibrary(Ljava/lang/String;)V add this

.line 75
const-string v0, "modname"

invoke-static {v0}, Ljava/lang/System;->loadLibrary(Ljava/lang/String;)V

• Copy libmodname.so to GeometryDash/lib/armeabi-v7a
• apktool b GeometryDash

Special thanks

• Partur for Android-ML
• HJfod for cocos-headers
• pie for gd.h for windows
• ItalianApkDownloader for gd.h for android
• matcool for help with building for windows
• MacLao for his cat Булка whose name is in the name 😼