Use APKPure App
Get Arduino Bluetooth Serial Monitor old version APK for Android
아두 이노를위한 블루투스 시리얼 모니터
You can view the Serial monitor wirelessly via Bluetooth as well as send commands at the same time to your Arduino board.
All you have to do is just connect your Arduino board to a Bluetooth module!
It's really simple
Try it...you'll love it!