Just released onto Google Play store for Android devices, the devs who crafted the Roman era games Populous Romanus (I & II) have branched out and evolved their game engine to cover WWII. The game looks like it play as a Panzer General style game.
https://play.google.com/store/apps/details?id=com.ww2strategy.wg1939
(https://lh5.ggpht.com/XqbLd3iO7VDfQiU47ZCbU56a9FXhRrSwst1PKOz_Mr-FOUjflPSVt4ojC_T5lgspEmM=h900)
Hmm! My brother's birthday is this week and he loves PG and was wanting a good wargame for his Droid system...