Sale has ended but you can still get this app.
Download I am Billionaire Now
I am Billionaire

Official Description

This app will be the proof of you being super rich. It will act like a symbol of honor which will show that you are so rich that you can buy apps that cost a lot and still do nothing.

(The most expensive app on the playstore)

I am Billionaire!

*This app does not have any function but just acts as a symbol*