This is not the best game!
Yes, i know, but you need to realize that strategy games are not the best choices for a game jam thet this long/short.
I am a true strategy game lover... In 2005 I implemented a strategy engine with factories, units, animations and a bit similar moevment mechanics than yours, but in the end it was a mess with dozends of memory leaks wiht no option for further develpoment.
This is better than mine was!
Do not stop, keep going if you have time, develop further, and rate my game too.
Have FUN :3