Media player does not appear

Hello.
I use the app android called castreceiver, this application is able to turn an android mobile phone into a chromecast.

i use platform: cast

Sometimes on my entities media_player shows and i can play my radio and tts throught my phone works like a charm, but if i restart home assistant media_player does not appear anymore, I am obliged restart the home assistant and the mobile phone several times to get it working again.

Anyone can help me?
Thanks

Can we see the you have done so far

Same problem here.

Solved.
I payed the app (premium) and now works fine.