You are downloading the Rock Star XAP file v1.0.0.8 for Windows Phone. Rock Star is a free Music Game: Hi all I want to say you , game isn't only support phone which has low memory such as nokia lumia 610,..I tested It play good on lumia 710, and 820So, If your. You can now download the offline XAP package file to install & try it.
Download Locations for Rock Star 1.0.0.8 XAP file
What's New
in this version you can play full version
Package File
Please Click Here > to retrieve available package files for Rock Star.
Please be aware that the Rock Star XAP file you are to download is hosted on the Microsoft Store CDN server. You can read more about Rock Star or get it on Microsoft Store.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Rock Star XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.