From February 1st to February 24th in America (not sure about other countries) you can get a code from GameStop for a mew
Ok UK you have it till the 28th
http://www.serebii.net/events/2016.shtml
Link for all events this year that are known so far
It's for alpha sapphire/omega ruby or x/y
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Of note: if you have Windows 10, 8, or 7, possibly Vista, but I'm not sure on that one, there is a built in program called "Snipping Tool". You can find it by searching in the start menu. You can use it to take screencaps of part of your screen. That way you don't have to use your phone to take a picture of your monitor. That said, thanks for reminding me.