What is the Hockey Showdown game, how does it work?

According to the introduction of Naquatic LLC, Hockey Showdown is a Sports game on the Android platform. There is currently a 1.8.1 version released on Jun 02, 2016, you can see the details below.

iOS's biggest sports franchise hits the ice! Match up against your friends, your enemies, or anyone worldwide in a head-to-head Hockey Showdown!

• COMPETE FOR GLORY •
Win prizes in online tournaments or compete in single player seasons as your favorite team. Then put your winnings to use by unlocking unique sticks, gloves, and upgrades.

• BECOME A HOCKEY CELEBRITY •
Beat down opponents with your skills AND your popularity. Add friends to earn rewards and steal experience points from your opponents!

• A SPECTACULAR NEXT-GEN EXPERIENCE •
Hyper-realistic graphics and heart pounding multiplayer action turn you into a superstar.

• AND THE CROWD GOES WILD •
"Keep your charger handy, 'cause you will NOT be setting this down." - FreeAppsArcade

• JOIN OVER 50 MILLION GAMERS WORLDWIDE •
And find out why Naquatic apps like Guncrafter and Shooting Showdown have lit up the top charts and been featured by everyone from Apple to Google, Amazon, Microsoft, IGN, AppAdvice, and TouchArcade.

• Stunning graphics with support for the gorgeous iPhone 5, iPad Mini, and iPad Retina display
• Global multiplayer matchmaking through Game Center
• No loading screens
• Season, Playoff, and Exhibition game modes
• Unlockable equipment and upgrades to boost your skillz
• Unique trophies and bonuses for completing achievements
• The exclusive PhysKick™ engine for unparalleled control
• Full set of achievements and leaderboards

• Major graphics enhancements on newer devices!
• Improved multiplayer matchmaking!