ROOT PHONE or EMULATOR
appium --allow-insecure=adb_shell
# Edit helper/config.py CAPS
CAPS = dict(
platformName='Android',
platformVersion='28',
automationName='UiAutomator2',
udid='emulator-5554')
It's just normal texting for now. However, I will add picture or file sending for code soon.
Thanks for the base of the project.