Nokia’s been churning out some N8 Gaming videos. Here’s a new one (for me) which is Guitar Rock Tour 2 HD. As you’ll see in the video, it has support for multitouch.
This is available to download from the Ovi Store for 3GBP (or similar equivalent where available in other countries)
Similarly, there’s Guitar Hero 5 available for S40/touch and type (well it works on the X3/C3). Not sure if it’s compatible with S60 5th.
GT Racing: Motor Academy HD – frame rate looks very fast.