Actual self driving software will happen later, they'll cross that bridge once the problem of what the driver will do (play games) while the car is self driving is solved first.
I have to admit that these easter egg games kinda annoy me. I know that they don't take up much of any development time but still. And hopefully, the updates will also have substantive improvements to the actual driving of the car. The updates won't be just the games. But the idea of Tesla even including the ability to play Atari games in your car bugs me. Focus on AP and FSD Tesla!!!! You should not be spending any time adding games and such, especially when so many of your customers paid thousands of dollars for improved AP and FSD months ago!!!!