Pretendo is super cool! It's awesome to see what people can do with homebrew. I'm hopping that at some point someone creates a equivalent of GBStudio for the 3DS/Wii U (even the Wii and DS would be cool too) so more people can start making homebrew for these devices because there's a lot more to explore with what you can do with the Wii U's controller and the 3DS's dual screens and they're just fun devices.
As an aside I'm still bummed that the Wii U and 3DS didn't do very well compared to the Wii and DS. I totally get where Nintendo was going with the Switch and way they made it but for whatever reason it just doesn't scratch the itch the same way the 3DS and Wii U do. I hope some day that someone creates a another dual screen device (like Panic has done with the Playdate). If there's anyone interested in making a device I'd love making games for it.
As an aside I'm still bummed that the Wii U and 3DS didn't do very well compared to the Wii and DS. I totally get where Nintendo was going with the Switch and way they made it but for whatever reason it just doesn't scratch the itch the same way the 3DS and Wii U do. I hope some day that someone creates a another dual screen device (like Panic has done with the Playdate). If there's anyone interested in making a device I'd love making games for it.