Kobo Deluxe-Symbian port of Kobo Deluxe.
Kobo Deluxe is an enhanced version of Akira Higuchi's game XKobo for Un*x systems with X11.
XKobo is a scrolling space shooter. The object is to destroy all the structures on each level by shooting the purple bulb in the center of the structure. Of course, various enemy craft are trying to get you at the same time.