A corrupt work.bin or unsupported game feature (e.g., camera, network). Solution: Check the Vita3K Compatibility List . Many games are marked "Loadable" but not "Playable." For example, Uncharted: Golden Abyss still has major graphical glitches even with a perfect work bin.
Then the emulator booted.
, the emulator will specifically prompt you to select the corresponding file for that title. Title ID Association vita3k work bin