< and > arrows for bottom robot arm. A and D for top robot arm. Use the robot arm to grapple the Dragon/Cygnus with the SPACE bar, move over to the berthing (not docking) port and attach it to the TRISS (Totally Realistic International Space Station).
This is a bad project by Cat375. maybe 10 ❤️s and/or ⭐s for an entire ISS game? Thanks to @ethsco2 for the platformer tutorial, which I will use a lot, because I like to make platformers. :P Go give ethsco2 some ❤️s and ⭐s!