PlayStation Portable can connect with PlayStation 3 in many ways, including in-game connectivity. For example, Formula One Championship Edition, a racing game, was shown at E3 2006 using a <answer>PSP</answer> as a real-time rear-view mirror. In addition, users are able to download original PlayStation format games from the PlayStation Store, transfer and play them on <answer>PSP</answer> as well as PS3 itself. It is also possible to use the Remote Play feature to play these and some PlayStation Network games, remotely on <answer>PSP</answer> over a network or internet connection.
Games in plain PlayStation format can be played both on the PS3 console and what other device?
PSP