Pls help me how to download this game

[elsana]

经典游戏集 | Windows Phone Apps+Games Store (United States)

 

[Nokia Boy]

What's the problem? open the link from your phone and the browser will direct you to the Store to download it or if you have a SD Card,Follow these simple steps to install it via SD Card
How do I install apps from an SD card? | Windows Phone How-to (United States)

 

[Localhorst86]

"This app is no longer published"

From the looks of it, it's an NES emulator so try emiNES or vNESLight.