If it's a picture of the same picture then it's known as the Droste effect. But a more generic for this is just a recursive picture.
if you do a donkey face it is a donkey
Picture
There are a lot of software which can help you. The most famous are Photoshop, Corel Draw and so on.
Open the phone's casing with a screwdriver. Then, find a magnet, wipe it over the phones hard drive. Try to open your computer case with a screwdriver as well, and wave the magnet over your hard...