This is a mock/toy crystal ball app.

Lite Version Features
🔮 20 Answers
🔮 Shake or Press Button to Receive Answers

Extra Full Version Features
🔮 You can make Custom Answers (Up to 50)
🔮 Records Past Answers (Up to 20)
🔮 Export or Import Custom Answers (Android 4.4+)
🔮 Dark or Light Theme Option

Full Version Link
https://play.google.com/store/apps/details?id=com.grantojanen.CrystalBall

More Details
Offline: Yes
Lightweight: less than 1MB
Multi-Window Support: Yes
Descriptor: crystal ball toy

Google Play requires me to state that this is a prank app in both the title and description. The app is not a real crystal ball and it is just for fun.