How to "Quick Load" an App
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Here's the thing. This doesn't usually work, so don't get your hopes up. Still refreshes and speeds up the app.
I am using Xbox smartglass as an example
Special Wiggle Mode
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Have the app you want on the third screen. Put your apps I to to special wiggle mode.( See "How to restart your device without using the power button" .
Press the Home Button
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Now hit the home button. Pretty simple.
Darken App
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Now swipe back to the third screen. The app you touched to go into special wiggle mode should have a dark tint to it *see picture*
Open App
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When you open the app, it should be "quick loaded" or refreshed!