Five to Try: DC Comics' Injustice 2 renews the fight, and Socratic does your homework for you

Can't decide which apps and games to grab from the Play Store? Our Five to Try column can help you sort through the glut and snag only the most enticing new releases. Injustice 2 just hit Android, and it continues the fight between Batman, Wonder Woman, Superman, and more as you tap and swipe through super-powered battles. Meanwhile, Socratic uses its impressive A.I. abilities to solve homework problems, OK Golf is more appealing than it sounds, and Spaceplan transforms the freemium clicker genre into a surprisingly engrossing narrative adventure. Also, Google's official I/O 2017 app is out, in case you want to plan for next week's big Android developers conference.