Simple Calculator App -- 2

This is a Calculator game app (on Android). I have the design figma ready (see attached document as preview). The app should be able to runs ads and be monetized (i.e. used for commercial purposes).

Budget here is 750 CAD$

Main Feature of the app:
- Basic Calculator
- Scientific Calculator
- History View
- Financial Calculation
- Unit Conversion calculation
- Currency conversion calculation
- Share the app