With MidiMixer you can control your MIDI software from your android phone. It connects with WiFi to your PC and has no noticable lag, as low as 2 ms depending on your router. You need these things to get started

• The MidiMixer app installed on your android device
• The latest java version on your PC
• The server program
• A virtual midi driver, for example loopbe1

The app has only been tested on Windows 7 but should work on most systems. Follow the guides in the Installation section to make it work with your software.