Piano - Simple & Easy-to-use app for iPhone and iPad

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.
Its easier to check the sound when the phone is in portrait orientation than when its 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(Warm)
- Piano(Bright)
- E-Piano(Classic)
- E-Piano(MkIV)
- E-Piano(Suitcase)
- E-Piano(Wurlitzer)
- Harpsichord
- Marimba
- Vibraphone
- Acoustic Gt.
- Lead Gt.