The Windows Phone game which has gone free next as myAppFree app of the day is Stars Conquer Pro.

Stars Conquer Pro Details:

A sudden disaster caused a massive nuclear leak of global proportions, plunging the Earth into a planet mired in the shroud of death. The surviving humans embarked on a long interstellar expedition, traveling to an asteroid belt to temporarily recuperate. You need to learn the rules and survive.

– Build your base into a undefeatable fortress
– Battle with players worldwide and take their triumph points
– Dozen units with multiple levels of upgrades
– Defend your base with Cannons, MLRS, Missile

Install Link