You are downloading the Piano Mobile AppX file v1.1.0.0 for Windows Phone. Piano Mobile is a free Music Game: Piano Mobile is a great starting point for making synths and any instrument that can be made by pitch shifting an audio sample. Best Visual Piano for mobile6. You can now download the offline AppX package file to install & try it.
Download Locations for Piano Mobile 1.1.0.0 AppX file
Package File
Please Click Here > to retrieve available package files for Piano Mobile.
Please be aware that the Piano Mobile AppX file you are to download is hosted on the Microsoft Store CDN server. You can read more about Piano Mobile 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 Piano Mobile AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.