YAESU + Android

I want to test to use my YAESU FT817 with Android.
When I connect the DigiRig cable to the phone it’s recognized but when I send messages it doesn’t go (and I don’t get any messages)
Btw I have test other programs with computer and the antenna and radio is OK as far I as know.
Can someone help me how to setup?

Forgot to name that I try AndFlmsg and APRSDroid