You are downloading the Electro Pad XAP file v18.104.22.168 for Windows Phone. Electro Pad is a free and useful Music app: Electro Pad is a great app for creating electro beats and music on your phone. In this application, 36 different sounds for the game. It is ... You can now download the offline XAP file to install & try it.
Download Locations for Electro Pad 22.214.171.124 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Electro Pad XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.