Free Games Friday: Crossy Road, Super Tap Ultra

The weekend's almost here, so you have time to relax and check out a free game (or three) on your smartphone. Here are the highlights from the last week.

This is a hand-picked list of free apps we've noticed this week while assembling our regular App Deals roundup of new and discounted apps. We haven't reviewed them and we don't endorse them. As with the main App Deals column, apps can stop being free at a moment's notice if they're discounted, so grab them quickly if you're interested.

Android

Crossy Road From the publisher's description: "Cross roads, train tracks, and rivers -- endlessly hop forever."

N.O.V.A. 3 Freedom Edition From the publisher's description: "The most immersive and impressive sci-fi FPS franchise on smartphones is now completely free! Fight for humankind's survival!"

iOS

MUJO From the publisher's description: "Let's start collecting tiles and erase them all to attack monsters!"

Line Runner 2 From the publisher's description: "Run through various tracks from easy to bone breaking, use different kind of boosts."

Stickman Ski Racer From the publisher's description: "Perform insane jumps and stunts while rushing down the hills trying to avoid deadly avalanches, rusty weak bridges or profound abysses."

Putter King Adventure Golf From the publisher's description: "Test your putting skills on visually stunning holes from all over the world."

GREG - A Mathematical Puzzle Game From the publisher's description: "If you love numbers, this is for you. If not, you will learn to love numbers!"

Windows Phone

Memorix From the publisher's description: "Rules are simple: 1. Remember a location of tiles. 2. Click the tiles that appeared."

Super Tap Ultra From the publisher's description: "Super Tap Ultra is a fun and addictive game where you have to tap buttons as fast as you can."