Pitch Perfect Lock Screen

Try free version : https://play.google.com/store/apps/details?id=com.puntaiji.picthperfectlocklite

This is the lock screen that force you to train your ears for pitch memory. When screen is locked, this application will run as lock screen and randomly choose a note. You can unlock by hit that note on lock screen.

There are many webs and applications that you can use to train your ears, but, when you are busy or forget them, you stop to use them that make your ears improve hard. The good point of this "Perfect Pitch Lock Screen" that it forces you to train it every time that you unlock your phone. You'll practice your ears continuously and improve rapidly.

In this app :
- Random and play note which be lock key
- Piano bar for unlock
- Set auto-play note when lock screen shows up
- Set to show note labels on piano
- Enable/disable sharp notes

In this full version:
- No ads
- Select octave numbers from C1-B5
- Set wallpaper to be the same as home screen
- Enable latest notification on notification bar