It took a little tinkering but the RG505 is great. Played Shenmue on it for quite a while with no heat issues and barely any battery drain. Feels solid and comfortable, all the buttons are great and the joysticks are nice. It being on Android 12 is a huge plus as well. Love this little thing!

I absolutely love this game console. It's basically like a phone and a game console in one. It works really well, too. I just wish I had gotten the one with the preinstalled games. I accidentally purchased the one without, but it's okay. I ordered a chip with games and it is coming soon. I can download games from Google Play until then. I also wish I got here a week later cause sick deals but it is definitely worth the price! It runs very smooth, high quality screen and graphics, keys work, everything is great.

The RG505 as a very good system, in that it can easily play systems up to Dreamcast, and even play some GameCube and Playstation 2. It is also the perfect format for PSP.
Mine is running GammaOS, which is, I think, the perfect accompaniment to the system.
The battery life is very good.
I will say that the color options aren't great. I like the grey, but the yellow and blue look rather... gauche. A black and a white option would have been better, in my opinion.
I do have to say that I bought this during a sale (the Easter Sale for me), and being completely frank that is the best time to buy any Anbernic product (I hope Anbernic doesn't mind me saying that).
If you are in the market for a device that can do most things on a reasonable budget, the RG505 (with GammOS) is a good choice.

I have had my RG505 a few weeks now and it's great. Long battery life. Large clear display. Feels good in hand. Joystick placement was something to get used to. I prefer the RG405 for some games because of that but that my just be my hands because other people didn't seem to mind... The only down side I can find is they forgot to send me a screen protector with it which is something you will want with the large display.

I love the design, it's really fun to play and feels great. The graphics are fab for the games I've tried so far, but for some reason the built in emulator / player would not read any SNES or Genesis games, so had to have a friend help to install another emulator to play them. I tried watching all the youtube tutorials I could but the side button opened emulator just wouldn't read them. Even dragging them into the SNES folder, they were immediately deleted. Beyond that, it's a great system.