If you’ve tried to find the recommended tile sizes for Windows Phone 8.x you probably ended up here:
And you definitely should read this article carefully. However if you’re just looking to make some simple static assets for your Windows Phone 8 app its not obvious what’s required and or what’s best practice.
SO here’s this list:
|Scale 100||Scale 140||Scale 240|
You’ll notice a couple of them overlap with Windows Store (but not many).
And for the Splash / Launch Images you’ll want to make:
480x800, 672x1120 & 1152x1920
If I come across a good site or tool for auto creating the icons I’ll make sure to add it here.
For more information: