Help

I use to love my Apple TV but at the time I knew I would lose my remote. So I installed this and yes later on I did lose it. And I loved using it on my phone but then I switched to a different tv provided and it went downhill idk what happened it woundt appear on my phone then I tried restarting my Apple TV so atlest the screen would appear then it said my Apple TV wasnt connected to a network which makes since because I switched provides but I cant do anything because it wont connect to my phone. My Apple TV is already in my phone I just cant access it

Nathan2558 about Remote, v4.2.3