With the USB-OTG cable, you can use your virtual pitchbend by connecting your android device to your keyboard.

With MacunDroid 1.0.3 update now, Yamaha keyboards also support it.

For use;

MIDI IN section of your keyboard midi settings
Set it to

MIDI IN CH1: Upper 1
MIDI IN CH2: Upper 2
If there is,
MIDI IN CH3: Upper3

Step 1. Download Macun Droid 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.Macun Droid 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 Macun Droid Mod, click Download.
Step 4: You can download 100% working mods on HappyMod with one click.