Slot Wants Your RG SP to Feel Like 2003 Again

There are already plenty of custom firmware options for Linux handhelds. That is especially true once you get into Anbernic territory, where the choice between stock software, muOS, KNULLI, ROCKNIX, MinUI and everything else can become almost as involved as choosing the handheld itself. Slot, the new custom firmware K-Wall has been building for the Anbernic RG SP, isn't really interested in competing with any of them on the usual terms. It doesn't want to support more systems, expose more settings or convince you it can squeeze another console out of the hardware. In fact, a lot of what makes Slot interesting comes from deliberately doing less.The RG SP is already one of Anbernic's most obvious exercises in nostalgia, borrowing heavily from the shape and feel of Nintendo's Game Boy Advance SP. Slot simply takes that idea further. Its library is presented as physical cartridges sitting in a carousel, complete with custom labels. Games can be "opened" to change the emulator core,…