Would you be willing to answer a few brief questions about PlayStation Forums?
Vita (us) 1.2 ( current works with 1.3)
vita (uk) 1.3
Ps3 (us) 1.3
Ps3 (uk) 1.2 ( not current , until 1.3 is out) )
as of now the uk vita . s ps3 and vita can all play together.