Eight years after the Pandora handheld console was released, crazy developer ptitSeb is still porting games over for the few owners whose Pandora hasn't disintegrated yet.

Looks like Stardew Valley is next, he managed to wrangle it into 480p with a fake resolution:
https://www.pyra-handheld.com/boards/threads/port-requests-no-source-no-port.73589/page-106