170107 Update:

* Add Zoom buttons.
* Add Move toggle button, you can move her only when you toggled button on.
* Add bounds, so you can not move her too far.
* Try to fix wallpaper resolution problem.

Upcoming and planning:

* Change background picture.
* Workaround for freeze and crash.
* Improve performance.
* A "Red" version if thing goes well.

Thanks everyone.