meetpatty has released Basilisk II version 0.33 for the PSVita.

New screen aspect ratio option “Fit” for non 4:3 screen resolutions.
New resolution 640×400.
Danzeff keyboard enhancements including adding function keys, support for more special keys and option to resize osk from 150×150px to 300×300px.
Output aspect ratio can be changed during emulation using select menu.

Thanks to rsn8887 for screen/danzeff osk enhancements.

Download Basilisk II from the Brewology PSVita Store.