Getting setup to take screen shots for the first time on older versions of Android was a pain, trust me I know I wrote the original blog post. Thankfully this is much easier in Android 4.X, you don’t need to install anything onto your computer instead you just need to press a few buttons:
1. Press and hold the Power button and the Volume-Down button at the same time.
2. After a few seconds your screen will flash and you will see something like the following:
3. Now you can access the screen shot via the notifications or using the Gallery app. The screenshots are located within the “Screenshot” album.
4. Email yourself the image and you’re off to the races.
That’s it! Good luck with your apps Andromo developers.