No reason

I just had a great idea for an app.  I call it Creepy Stalker Shot.  It's a camera app that lets you take pictures without other people realizing you're taking pictures.  It superimposes a faint outline of whatever you're taking a picture of on top of something innocuous like an email or a web page or texts.  That way you can still frame your shot successfully, but people around you don't know that you're being a creepy stalker.

If you steal my idea please at least make a version for Windows Phone.

No reason.