There have been rumors of a PlayStation phone about this in the past as well but these speculations have now received a boost thanks to a job posting that Sony was looking for someone with experience working with Android and running the Android 3.0 platform. And furthermore, that mobile developer would need knowledge of Android and will be involved in running an online gaming service.
Previous rumours of a Sony PSP phone have suggested that it will feature a 1GHz Snapdragon processor, run Android 3.0 and include standard PSP controls. Sony have yet to deny the rumour, though judging by the tepid reception the PSPgo received they will need to pull something really special out of the bag when it comes to the PSP smartphone.
With the launch of Microsoft has Windows Phone 7 with Xbox Live, and Apple has the iPhone 4 with Game Center. Why not an Android 3.0 PlayStation gaming phone will make an appearance in the mobile arena at sometime in the future.