Apps like Tasker Bluetooth Serial

Here are some great alternatives to Tasker Bluetooth Serial by Ilias Giechaskiel :
Serial Bluetooth Terminal
Serial Bluetooth Terminal
★4.7
Bluetooth Terminal
Bluetooth Terminal
★5.0
Bluetooth Voice: Arduino Voice
Bluetooth Voice: Arduino Voice
★4.4
Connect Anduino
Connect Anduino
★4.5
Bluetooth Chat - GChat
Bluetooth Chat - GChat
★3.9
Bluefruit Connect
Bluefruit Connect
★4.1
Bluetooth Commander
Bluetooth Commander
★3.3
Arduino Bluetooth Controller
Arduino Bluetooth Controller
★3.8
Virtual Terminal
Virtual Terminal
★4.0
BlueTooth Terminal eDebugger
BlueTooth Terminal eDebugger
★3.8
Bluetooth Classic
Bluetooth Classic
★3.4
BlueSPP
BlueSPP
★3.7
Bluetooth SPP Manager
Bluetooth SPP Manager
★3.8
Bluetooth Terminal HC-05
Bluetooth Terminal HC-05
★4.1
Bluetooth Terminal HC-05 Pro
Bluetooth Terminal HC-05 Pro
★4.3
Modbus Monitor
Modbus Monitor
★4.4