Send the tns file to your calc. You need Ndless to run it.
If you're having problems running the game and if your calculator is a CR4, use the tns in the "old version" folder.

Press Enter when in the menu to start playing.
Use the 7 and 9 keys to collect green dots. Avoid orange ones.
Press TAB to pause, ESC to quit.

Original game by Nitako on Android devices.
CR4 compatibility by critor.