Mobile app to improve mental arithmetic
On the main page, the user enters the minutes that he wants to appear on the counter (10 by default).
Then there are 10 sums, each one of 6 different numbers generated randomly, and a text box to enter the result that the user believes is correct
Finally, the user is redirected to the final screen where he will get his hit and time results.
Theres also a button to check OKs and KOs
APK is in app/build/outputs/apk/debug/