For those of you who were fast enough to grab the exploited game before Sony pulled it from their store, developer 173210 kindly published a video showing how to run his exploit on Vita firmware 2.61.
2 days ago we released the files for the long awaited VHBL port on Vita firmware 2.61, using Japanese game Jikkyu Powerful Pro Yakyu 2012 Ketteiban. This was the first VHBL exploit in a game available on the JP store for a very long time.
VHBL lets you run PSP homebrews and emulators on the Vita. You can download it here.
As I didn’t have the exploited game myself, I hadn’t published how to actually launch the exploit. Users in our forums and in the comment section of this blog have figured it out fairly quickly though:
To run HBL, run the game, then go to Main Menu > Success > 4th Option on the screen > press O twice
173210 recently published a video to make it even more obvious, enjoy: