Piano-Simple Vertical description

Vertical" is the easiest way to use a piano on your phone!
This is a simple piano app with a vertical orientation, which was not possible before.
It's easier to check the sound when the phone is in portrait orientation than when it's in landscape orientation!

Flexible customization!
Change the number of steps.
- You can change the number of tiers from 3 to 5 to a size that is easy to use.
Instruments
- Piano (bright)
- Piano (warm)
- Electric Piano
- Harpsichord
- Acoustic guitar
- Electric guitar