With the USB MIDI BRIDGE WITHOUT PC,NO driver:
  - Start the application
  - Connect the instrument that receives midi information (so that emits sounds) first midi IN with a commercial DIN to USB and then allow access to the USB OTG
  - Then connect the midi device (eg USB EWI) and allow access to the USB OTG
Select the MIDI channel and play .... !! simply. Enjoy your midi controller without PC

Tested together: HUB USB + Cable OTG
  - With a phone Galaxy Note 2 PSR 8000 + with USB / MIDI (Yamaha) + EWI USB interface (no latency !!)
  - With a phone Galaxy Note 2 PSR 8000 + with USB / MIDI (Yamaha) + YOUR GUITAR HERO interface (no latency !!)

Step 1. Download USB OTG MIDI BRIDGE Mod (Paid for free Free purchase) APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.USB OTG MIDI BRIDGE Mod (Paid for free Free purchase) APK will begin installing on your device. Simple.

Step 1. Download HappyMod APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.Search USB OTG MIDI BRIDGE Mod, click Download.
Step 4: You can download 100% working mods on HappyMod with one click.