Fire Emblem Heroes, one of the newest Nintendo mobile titles, plays very much like an old-school video game worthy of carrying the Fire Emblem brand. Players are thrown into a medieval-like fantasy world of knights, archers and magic, and tasked with summoning a group of heroes with whom you could save the world. Different heroes have different skills, and part of the fun is figuring out how to make them work together most effectively. Players can add new heroes by using summoning stones. With the right team assembled, you can soar through grid-based battle against the enemy -- in this case a suitably evil bunch of baddies trying to destroy the world.

The game is free-to-play, but you can buy items to help you move along in the game if you want. (But you don't have to.) You can also add friends within the game, which gives you some rewards. To enjoy this game, you don't have to be familiar with the Fire Emblem series -- newbies will understand how to play it. But it probably has some added value for those who know and love the franchise, if only for the smiles prompted by seeing familiar faces.

Free, for iOS and Android devices.

Merriam-Webster's Quizzitive app aims to have you master "1000 Words Worth Knowing," and takes a fun spin on building your vocabulary. The app gives players little word quizzes that help you learn and fully understand an impressive list of words. While true word nerds will probably know many of the words in the games, it could be a good tool for kids looking to learn new words, or even just for people who want to brush up their vocabulary. The game has 10 levels overall -- the words get progressively harder. The game keeps track of the words you got right and wrong, so you'll know exactly what needs work.

The app is free to download, and the free version gets you access to the first two difficulty levels. After that, you can pay $2 to unlock further levels and get rid of ads. Speaking of the ads, they can occasionally be easy to hit by accident -- particularly if you're trying to tap something quickly while working against the clock. Still, the game is a lot of fun and a nice way to pass the time between engagements. Just make sure that you don't get sucked in and miss your next appointment.

Free, for iOS.

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