Toddler Lock works nicely. Cool colours and sounds as they touch the screen. It temporarily replaces the home screen so it locks out phone/internet/other app access until an adult follows the onscreen unlock instructions.
https://play.google.com/store/apps/details?id=marcone.toddlerlock
It's a learning management system which has a major release, Moodle 2.0, last week...
SD widescreen sets are still 720x576. All SD sets will then stretch the image to get the correct aspect ratio. A 4:3 set stretches 720x576 => 768x576; whilst a widescreen set stretches 720x576 => 1024x576.
Evolution is defined as natural selection of random mutations.
Haven't you just defined a specific form of evolution, known as evolution by natural selection ?
Most domesticated species (eg dogs) have evolved over the centuries as a direct result of human selection. Of course, until the twentieth century that selection was entirely based on external phenotypes, but this was still selection indirectly based on genetic information.
I've noticed several design suggestions in your code.
