Requirements: Android
Price: UKŁ1.50
Overview: Solo is a great,easy to play virtual pocket guitar.
Features:
-Multitouch
-Classical guitar,Acoustic guitar & electric guitar
-Huge chord library,380+ guitar chords & diagrams
-Classical guitar,Acoustic guitar & electric guitar
-Huge chord library (380+)

Recent changes:

v1.37
Now using Immersion's MOTIV vibe control for advanced haptic feedback.

Still ongoing since v1.36:
Ultimate Guitar® claims I infringed on their copyright if I display their web site in Solo. For the time being, the lyrics overlay feature has been disabled until I can resolve the issue. I am doing everything in my power to restore this feature as soon as possible...