Use APKPure App
Get RaspberryCast old version APK for Android
Control and send videos to your Raspberry Pi.
BIG THANK YOU TO ADITYA FOR THE CONTRIBUTION !
WARNING : ALPHA, many potentials bugs
This app allow you to control the playback of a video on your Pi, with the RaspberryCast server installed.
But you can also stream videos from your favorites apps.
See the page of the original project :
https://github.com/vincent-lwt/RaspberryCast