Patreon: Fund N64 emulator development! (GLideN64)
Another crowdfunding push! Please consider support GLideN64 - this is the N64 graphics plugin Retropie uses by default (it is called 'mupen64plus-GLideN64').
As such, it is the 'great hope' of N64 emulation. It is increasingly accurate, and runs on many devices.
A previous crowdfunding exercise was succesfully funded and completed (see here), but this patreon is for ongoing support.
If you donate, perhaps post in the patreon comments that you're a Raspberry Pi user (assuming you are!). If many donations are coming from the pi community, perhaps further optimizations for such devices will be considered?