So far, I really like my 406H. It plays anything of asked of it up to GC level. LoZ: WW was playing at 2x resolution, but that had a significant slowdown during combat. Changing it to 1.5x helped significantly. In short, it can play them, and even improve it a little, but don't expect to be able to demand much more than that. One of the few frustrations was the inability to change files for ROM locations. Because I used my own SD card, I had to track down a copy of the file structure that normally came on standard Anbernic SDs that someone was kind enough to post, otherwise I couldn't get the emulation software to identify ROMs. The AI app is interesting but still pretty rough for the moment. Real time translation is a great idea, but most of the AI notifications use Chinese characters and so when something wouldn't work the way I wanted, I didn't know what it was trying to say. Ergonomically, the 406H isn't bad, not perfect, but comfortable enough for continuous play. It's also light enough that holding it wasn't tiresome. The touch screen, paired with the fact that it runs on an Android operating system, means that things are easy to use for people with experience. That also means that some mobile games are available, but even ones with controller support may not recognize the built-in controller (Diablo: Immortal for example). The sticks and buttons all feel good when using them, although the shoulder buttons are louder than seems necessary. The RGB function on the sticks can be turned on or off at the push of a button from the pull-down menu which is nice for people like me who feel like they might be little more than a gimmick that drains extra battery life. Since there were only 6 options available on the lights, they don't seem to be very well utilized anyway. An update that allows the RGB sticks to match color with the predominant screen color would be a cool addition, or even just a color wheel to be able to pick a static color would be nice. One other change that I would recommend is the location of the type-c port. Similar to the Switch, the type-c port is on the bottom, but without the reasoning of being able to put it on a dock. It's probably a limitation on the space available, but bottom charging ports get in the way of being able to rest it on a surface while playing, which isn't a huge deal with the relatively light weight, but is still inconvenient. Apart from generic third-party screen protectors and general-use hard cases, there isn't much available in the way of accessories. Even Anbernic only offers a hard case and that's it. No grips to improve the ergonomics more or anything like that. Not a deal breaker for me, but I'm trying to list everything I've come across as I've played with the 406H. This last bit isn't specific to the 406H, but when ordering, don't plan for it to ship out quickly, even ordering from the US. I had to wait about a week from placing the order to actually shipping. Overall, I think the 406H is a great device and delivers good value for its cost. I know I spent more time talking about negatives than positives, but they really are small things that I have noticed, not glaring issues that interfere with enjoyment. If you have the money to drop on one, the 406H can deliver a lot of enjoyment in a portable package.
P.S. Balatro on mobile is listed on the app store as being incompatible, which is a shame because it would be a great little system for it in my opinion. Don't know if it's a hardware limitation, but would love to see more mobile games with controller support on the 406H. ;D