If its about the homebrew scene we get lots of releases, especially for older 8-Bit Systems. What has been always almost non existent was stuff for the Super Nintendo, also known as Super Famicom. Smash It by elix popped up at TRSAC 2014 last week.

Smash It (elix 2014) - SNES Demo 1MB ROM

http://www.pouet.net/prod.php?which=64255