Polar,
The prj files have nothing to the with the vision connection. That only identifies the ROM to the flashing application that it is for a Sprint device.
You need to install some cab files from your extrom to get your vision connection (specifically the one called customize_spcs.sa.cab). You can get it from your extrom using total commander (type in extended_rom at the top of the total commander window).
As for your pocket controller issue--I do not use that application so I don't know if that problem is related to the kitchen or not. Have you made sure that was the most recent version of pocket controller? You could also try a google search using pocket controller and the error you mentioned as keywords to see if it is a problem other people have had.
One other thing you must always do right after flashing a new ROM is hard reset your phone. This wasn't necessary with the official ROMs but can cause all sorts of issues if you don't do it after flashing a custom ROM.
Maybe someone else can test pocket controller and report on their findings. An incompatibility with the kitchen is certainly possible, but not all that likely.
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