Due to updates following Google’s acquisition of AppSheet, the application host, Xbox Sales history is not currently available in the Play Store. You can still install the app by downloading the APK file.
Once the file has downloaded to your Android device and you open it, you will receive a warning about downloading apps from unknown sources.
Go into your settings and select the option to allow installs from unknown sources. Once you do this, the app installation should begin.
Once the installation is complete, you should find the app in your device’s app list or on the home screen.