The once and future Outworld Empress has finally arrived in the latest Mortal Kombat X Challenge! You can unlock Mileena in the free-to-play kard collecting mobile game by completing requisite challenges within the remaining set time!

Fans who've completed the first Mortal Kombat X Mobile Challenge will have unlocked the latest Gold Kard character: Raiden! The Thunder God offers unique support stats to bolster any kombat trio. Learn how to best exploit these abilities in this very useful breakdown tutorial:

Have you completed the Raiden Challenge? The Thunder God electrified portable devices in Mortal Kombat X Mobile - challenging players to obtain the ultimate victory in order to unlock Raiden himself! The challenge ran from May 28 until June 18th.

Mortal Kombat X Mobile lets you take the fight wherever you go with kard kombat for iOS & Android devices! Looking to level up your tablet device? NetherRealm Studios is giving you the chance to win a new iPad Air 2 just by playing!

After lengthy delays, the wait is almost over! The Mortal Kombat X Mobile App is now approved by Google Play and available for Android starting now!

Update May 4: After weeks of uncertainty, NetherRealm Studios Creative Director Ed Boon has confirmed Mortal Kombat X Mobile release for US Android tomorrow. The announcement was made during today's Kombat Kast Live Stream. Original reports tie the previous release to Norway, Philippines and United Arab Emirates.

To mark the release of Mortal Kombat X Mobile [full story], the AppStore has featured official character render artwork of Kenshi! See it below:

Get ready to take the fight anywhere! Mortal Kombat Online has received a multitude of reports throughout the day indicating users have been able to access Mortal Kombat X Mobile!

The free-to-play app is available for iOS and Android, with initial anecdotal reports favouring downloads on iPad and iPhone 5 (and newer). Some users have found the app listed as "No Longer Available" and should be advised to refresh the store, or check back at a later time as the rollout continues. Update: There will be a short wait for Android users.

In a short few hours NetherRealm Studios will go live with the eighth episode of their Mortal Kombat X Kombat Kast via Twitch. Be with us to discuss all the highs and lows as you stream it right here and on the forum!

The next edition of the developer's Mortal Kombat X Kombat Kast stream will go live tomorrow, April 2nd, at 3PM CST. The tag line is "anytime, anywhere" with the promise of a fresh look at MKX Mobile and more character spotlights.

Droid Gamers went hands-on with Mortal Kombat X Mobile at last week's Game Developers Conference. The footage shows some basic gameplay, including recently revealed return kombatant Kenshi.