Syncing two Apple TV 64Ks

[#1]

I've just taken delivery of another Apple TV for my bedroom but is there anyway I can synchronise the two devices I have so that all account details for apps such a Prime and BritBox are copied over, as these use a different email address from my Apple ID. The device is installed and ready but when I use either of these apps I'm asked to sign in, and entering them with the remote is a huge task.

If not then is there a way to use my iPad as the input device when entering the username and password details?

[#2 · Accepted solution]

Yeah you can use the iPad. I use iPhone and iPad as input device.
1Password also works with using them as in input device too.

It should be automatic - but if not you have a remote icon in control centre that will connect to you ATV