I patched Teamviewer Quick Support APK (originally for Samsung ROMs) and signed it with Cyanogenmod platform keys.
Runs flawlessly on my SGS i9000 running CM9!
Download (CWM flashable ZIP)
* Remember, you need at least 4+ MB of free space on /system to flash those ZIPs!
v7.0.719 ARMv7: http://d-h.st/BAF
Getting FC (force close) when app starts? Try this ARMv7 ZIP!
v7.0.719 ARMv6: http://d-h.st/NpF
Older builds: here
How-to patch it yourselfEnjoy!