解锁“学习乘法、除法、加法和减法！”的所有功能！
The only goal of this app is to provide a license that will unlock all the features of the app "Learn Multiplication, Division, Add & Subtraction!". So if you like the Learn Math app and wanna unlock all the features of it, buy this license.
HOW DOES IT WORK?
1. Install this license.
2. Launch the free app "Learn Multiplication, Division, Add & Subtraction!".
3. Now you're a premium user. If you're not, close the app and open it again.