Free homebrew multimedia-related applications for the Nintendo DS platform. You will find audio players of various forms (sequence/tracker stuff included), music creation tools (timing, tuning and such), painting tools, bookreaders (including PDF) and a handful of video players (including Moonshell).
I may try the new ram site, and download more RAM to my Switch. Not sure if ddr3 is the right ram
for it tho. Edit- no it uses floppy Ram, just like @AncientBoi