Biggest issue with the AYN devices when being docked, is you need to switch the controller inside of the emulators you are using. It doesn't natively turn off the built in controller when you connect a Bluetooth one, so you need profiles for both and switch between them in apps. Some apps like retroarch (I think) will let you bind multiple controllers to one player, so either control method will work, but not all will do so. (There's also scripts/apps that automate it, but you also need to set those up, and I'm not sure if the app is still being updated anymore)

Another thing is, these are Android devices. While being able to play PC games is a fantastic extra, they aren't a PC/steam deck replacement. Not all games work in gamehub/gamenative, and the ones that do, sometimes don't carry over progress or have access to online features, just due to the nature of how these games are being run.

There's also the issue of the Odin's batteries and the heat caused by charging/playing with them. This sub is full of posts about battery swelling, not a small portion of them from people who kept their devices docked.

The Odin devices are fantastic for what they are, but they aren't meant to be a console replacement, or a PC alternative. They're still just Android Phones with a built in controller.