The first wave of playtest results are in, and make for interesting reading.
Super Combat Squadron is a beautiful pixel-art strategy game, which may remind you of games like Advanced Wars mixed with C&C. The following video from the alpha release will give you an idea of how it plays:
The game is now yet finished, and is still going through closed play testing. Recently they concluded the most recent rounds, and posted a fascinating blog post detailing what works, and what doesn't, in the game as it stands. And how they plan to evolve it from here.
I personally can't wait until SCS is released, and wish them all the best. In the meantime I look forward to them sharing more news about development as it progresses.