Resolutions:
- with calendar: 320x480, 1024x768, 1024x1024 (iPad size!), 1280x720, 1280x800, 1280x960, 1280x1024, 1440x900, 1600x1200, 1680x1050, 1920x1080, 1920x1200, 2560x1440
- without calendar: 320x480, 1024x768, 1024x1024(iPad size!), 1280x720, 1280x800, 1280x960, 1280x1024, 1440x900, 1600x1200, 1680x1050, 1920x1080, 1920x1200, 2560x1440
