Unfortunately you cannot current get Pet Rescue Saga for Windows Phones yet until the developer King brings out a Windows phone version of Pet Rescue Saga.
However Pet Rescue Saga does support the following devices:
Apple devices
Pet Rescue Saga supports iOS version 4.3.5 or later on the following models:
- iPhone 3GS, iPhone 4, iPhone 4S and iPhone 5
- iPad 1 & later models
- iPod Touch: 3rd generation (and later models)
Pet Rescue Saga does not support jail-broken iOS devices (iPhone, iPad or iPod Touch)
Android devices
Pet Rescue Saga runs on all the Android devices that fulfill the following criteria:
- Own a processor built on ARMv7 architecture
- Support OpenGL ES 2.0
- Support 320×480 resolution or higher
- Run on Android OS 2.2 or higher.
You can lobby the developer King.com to produce a version of Pet Rescue Saga for Windows Phone.
Update 17th October 2014: King have still not produced a version of Candy Crush for Windows phones yet and our assumption is that they have no plans to port their portfolio of games onto the Windows platform. Not good news for fans..