Pick an app to install. Download starts right away — choose Install when it finishes.
Custom URL box takes
one app at a time — paste the Type: line under the app you want, not this
page's address. apk.my4k.stream on its own will fail.
Your StreamLine player. Install this one first — it's what your login works with.
com.negroindustries.streamline
Type: apk.my4k.stream/tv.apk
Lets us fix your box remotely. Only install this if support asks you to.
com.tailscale.ipn
Type: apk.my4k.stream/ts.apk
Settings › Apps › Special app access › Install unknown apps
and turn on the launcher, then come back.