Go to trial Lite version
https://play.google.com/store/apps/details?id=com.ubrain.guitarwithsinginglite

[Features]
Simple screen layout.
Create chords that are not in the chord list.
Chord voicing can be changed.
Emulates drop-tuning voicing.
Pad layouts can be saved according to the song.
Stroke width of strings can be changed to match the screen size.
Reverb can be applied while playing using the device's microphone or earphone microphone.

[Tips for playing]
Play with your thumb as if you are actually holding the pick.
Put a piece of cellophane tape on the tip of your thumb to make it more slippery, making it easier to play rhythmically.

[For use]
Bluetooth use will cause a delay. Please use the device's speaker or wired earphone.

[Difference between the paid version and the free version]
The free version limits the saving of created chords and song sets. All other functions are available.