VHBL was just released for MGS PO+ in EU. http://hackinformer.com/2016/01/22/psvita-vhbl-for-metal-gear-solid-portable-ops-eu-should-work-on-3-57/
Can this exploit by used to run TNV or ARK in the future or am I out of luck if I want to run PSP games on my 3.55 EU vita?