F2L Trainer - Cube Mentor 1.0.02
the author of this app says:
Whether you are learning F2L (first 2 layers of Rubik's cube) intuitively or by algorithms, this app will boost your times.
1.Select the cases you wanna learn
3.Execute the provided random scramble
4.Solve the F2L you are left with
5.Tap for next scramble
Also use it to find perfect fingertrick solutions