Hi.
@gamedude The installation was a piece of cake. I preread some articles and watched YouTube videos before I received my Pi 3 for Christmas, so I already knew what to expect and what to do, as I got mine in response to me not veing able to get the Super Nintendo Classic Edition/SNES Mini. The only accessibility thing I had to have help with was change the font size, since the Raspbian console stuff was in a too small of a font for me to read, so I changed it to one of the larger settings. This only affects the Raspbian settings, and not EmulationStation (the main launcher that RetroPie uses, since it's pretty much all graphics). Of course, you could also launch a ROM from the terminal too. I haven't done it, but it certainly can be done, and so might putting Orca on there. The only third-party stuff I installed was a script to play background music while in EmulationStation, plus a scraper known as Skyscraper. Scraping, in terms of ROMs, is where you pull metadata/tag info about the game from the Internet. Skyscraper allows me to, not only display the name of the game while selecting a game, but also display downloaded metadata related to the game, like publisher, release date, a brief description of the game, and, if I wanted to, box art and/or a small video preview (called a video snap) while the cursor is on a particular game, (e.g, a Super Mario Bros. video snap plays when the cursor is highlighted on Super Mario Bros, showing a clip of gameplay). As for controlling the Raspberry Pi, I use a Bluetooth controller called the NES30, made by a company called 8bitdo, though other controllers are supported through USB or Bluetooth, like the PS3/PS4/Xbox 360 controller, even the Wii U Pro controller is supported. I hear the Nintendo Switch JoyCon/Pro Controller works too, though I don't have none of those, but you could just use a keyboard to control everything too. I don't really have any particular favorite games I put on mine, I just put some classics I remember or have played in the past, but only on systems that I know will run great on a non-overclocked Raspberry Pi 3, except for Nintendo 64 which I didn't put on mine, for two reasons. One, my NES30 doesn't have enough buttons for N64, and two, N64 is known to be a hit or miss on the Raspberry Pi. If I wanted to play N64, I'd have to invest in more powerful hardware and a different controller.