If you're traveling light and looking to save a few bucks, check out Skiplagged, a neat app that can keep your travel costs down by taking advantage of 'hidden city flights,' where flyers get off at a layover, instead of at the flight's final destination. For more apps like this, check out our picks for the best travel apps and best weather apps for all mobile devices. And a good weather app can make sure you won't get drenched along the way. Whether you're heading to the office or a longer family trip, the right apps on your Android phone can help make the journey easier.

The person getting the help sees those doodles live, appearing on their screen, falling on the specific buttons, knobs and other parts of whatever they're looking at, in effect providing live, visual annotations that can help solve problems.

Not sure why there's all this fuss about augmented reality? Vuforia Chalk can show you the value of AR for mobile apps, as it adds a new dimension to tech support.Ĭhalk sets up a video call between two devices, where the person getting advice points their rear camera at whatever they need explained to them, and the other person draws on their own screen as they provide instructions and advice.