> Add more devices (e.g. ipads etc.), video res (vga,etc.) and more mathematical constants like golden ratio, silver ratio , etc. and add an easy landscape/port

> Add more devices (e.g. ipads etc.), video res (vga,etc.) and more mathematical constants like golden ratio, silver ratio , etc. and add an easy landscape/portrait toggle switch. I'd like to add: a specs dialog, maybe? Add DPI/HDPI info, recommended DPI for images, etc. Would make this a for-sure go-to. Nice work!