Here is a utility for the Vita community called Application Storage Manager by Lupo511, this utility takes advantage of the extra free space on the internal storage on various PS Vita & PlayStation TV [vita tv], something we have seen psx-place's own @atreyu187 make mention of a few times and outlined in the recent thread "Need Extra data for your Vita /...
Application Storage Manager: Move content fron ux0:app/ (mc) to ur0:app/ (internal storage)