Yoga Moment provides graceful and attractive yoga tunes with a far-eastern aroma. This app aims not only to help you relax at your leisure time, but also can be set as the background music when practicing Yoga. (The total length of music pieces in the full version is about 60 minutes, just the same as a normal Yoga class hour.)

SqueezeBox(TM) on Android

Jimi Guitar aims to be the best guitar app on the market.
Authentic sounds, a free mode to play like on a real guitar, a chord mode to play without risking a false note, a song mode to learn the chords of your favorite songs, a powerful song search engine, a tuner, a capo... and more.
Whether you know or not how to play guitar, Jimi Guitar will provide you hours of entertainment.