This is the premium key for the app "AIDE - Android IDE":
https://play.google.com/store/apps/details?id=com.aide.ui
AIDE is an integrated development environment (IDE) for developing real Android Apps directly on Android devices. This premium key enables the following features:
- Saving files in pure Java projects
- Saving files in larger Android projects (5+ Java files)
- Direct run without user prompt on rooted devices
- Git push/commit
- APK publishing
- Offline SDK Help
- Some customization options