YokimaSun writes “Sony may have dealt a major blow to the PSjailbreak sellers, but the release last week of PSGroove, an open source version of the hack, has now opened the floodgates of ports to mobile phones such as the Nokia N900 and Palm Pre. The final kick in the teeth is that a port of the exploit has been released by Waninkoko of Wii custom firmware fame for the Dingoo Handheld, which is …