Step 1: Get a Block

Step 2: Place

Step 3: Go to Home Screen Quick

Step 4: Double Tap

The button on the bottom

Step 5: Delete Minecraft From Your History

Step 6: Go Back to Minecraft

Step 7: Go to Your World

If it does not work keep trying it happened to me just keep trying
<p>oh well I'll test it</p>
It takes away my block. I used a diamond block and it disappeared! ?
What is the actual glitch
Works for 0.7.6