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Does the fact that your smartphone or tablet's orientation control conform to its orientation rather than yours constantly enrage you? Well, you could go buy a late-model Samsung device for its Smart Rotate feature, which uses the front-facing camera to see which way your face is pointing and adjusts the screen accordingly. Or you could download GMD Smart Rotate, which does the exact same thing.

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GMD replaces the accelerometer function with facial recognition, meaning that if you hold your phone in portrait mode even when you yourself are horizontal, it will know not to rotate the screen. I can think of exactly one amazingly good use-case scenario: when you're lying on your side and want to read or watch something, and don't have five precious seconds to toggle the auto-rotate function in stock Android. I tried the app out and it seems to work well, though there's a slight delay in order to let the camera snap a temporary photo. You've also got to make sure that your whole face is clearly visible to your front-facing camera - an optional notification makes this easier.

The free version of the app does what it says on the label, with a few extra bells and whistles. The reasonably-priced $2 pro version adds features that will keep the screen on while you're looking at it, hide the notification bar, and allow you to customize the rotation behavior on an app-by-app basis.

Via Addictive Tips

Jeremiah Rice
Jeremiah is a US-based blogger who bought a Nexus One the day it came out and never looked back. In his spare time he watches Star Trek, cooks eggs, and completely fails to write novels.
  • http://them3blog.wordpress.com/ Abel

    Awesome, not working on nexus 7......

  • Ryan O’Neill

    It works, but much slower than the accelerometer rotation. Not worth it.

    • Brian

      I bet it sucks down extra battery power, too.

      • wol

        but its new battery sucking technology, gotta love that.

  • Stefan

    It works on Galaxy Nexus, but it's really, really, REALLY slow.. All it really did for me, was to drain power from my battery.

  • Rob

    Or you could go and grab an app by the name of Smart Rotator (https://play.google.com/store/apps/details?id=net.xdevelop.rotator_t), which predates this app by many months and has almost always worked well for me on my Galaxy Nexus and Galaxy Tab 2 10.1 with little noticeable battery or performance issues that I'm aware of.

    • dobbsy

      I also use and recommend Smart Rotator. Great app.

  • Patrickl69

    PersonallyI just switched autorotate off and have Llama switch it on for the few apps which actually need it (and then off when they are not used anymore). Only in a few exceptions do I actually feel the need to manually switch autorotate on.

  • Dan

    Doesn't work on the Samsung Galaxy Player 5.

  • Wam31

    That might be one of the dumbest feature I've ever heard of...
    How many times a day is this gonna be useful ?

    Why would you want to waste lots of battery power to check your face instead of, I don't know, using a toggle in the notification bar ? Or, as others stated, use Smart Rotator, which I'm also using ?
    I think it's way more efficient to manually set apps that will auto rotate. For other temporary needs, use a toggle !