Great price for the mobile version of this fantastic strategy game. It is rated 4.2 out of 5 with more than 20,000 reviews.
From the website:
XCOM®: Enemy Within is a standalone expansion to the 2012 strategy game of the year XCOM®: Enemy Unknown and it's now available on GooglePlay devices! Enemy Within features the core gameplay of Enemy Unknown plus more exciting content. Check out the new soldiers, abilities, enemies, maps, missions, and multiplayer mode for the fresh new strategy gaming experience!
• New Soldier Abilities: Research a new alien technology to advance the capabilities of your operatives. New technology includes genetic modifications of soldiers and mechanized cybersuits.
• New Weapons and Equipment: Give your operatives an extra tactical edge with new projects from your engineering team and the Foundry.
• New Enemy Threats: Adopt new tactics to counter the threats from two new alien types and a deadly new organization known as EXALT.
• New Strategic Resource: A valuable new alien resource, known as Meld, has been discovered. Secure it on the battlefield and use it carefully back at base to unlock new research and upgrades.
• New Story Elements: Investigate a terrifying threat in an abandoned fishing village, and defend the XCOM headquarters from alien attack in a series of new plat-driven missions.
NOTE: XCOM: Enemy Within is a graphically rich game with advanced features. To OPTIMIZE your playing experience, you may want to turn off other apps before playing.