Decompilation of Project Sekai (JP)
Android version ver 1.2.0 Download: https://m.apkpure.com/hatsune-miku-colorful-stage/com.sega.pjsekai/download/200024-APK?from=versions%2Fversion
Due to laziness, the source code has been compressed to 7z. Please see the release tab for more details.