The "Android Synthesizer" is a free software synthesizer for Android devices with touch screens.

Features:

• Play synthesizer by just touching your mobile phone without any musical knowledge.
• Various exotic scales are available (Menu Button!).
• Invent new sounds by altering numerous parameters.
• Compose sound sequences and alter them in real time.
• Apply strange sound effects by moving your phone.
• Connect the orientation sensors of your device to arbitrary sound parameters.

Related Hardware:
Cheap Synthesizer Roundup