This app is an add-on for apps created by JRummy Apps Inc. Please note that the app does not put an app icon in your app drawer.
Market Helper gets info about other apps that are on the Google Play Store. It can get info about an app's description, category, price, etc. on the Google Play Store. The info is used in other JRummy apps (like ROM Toolbox or Ultimate Backup) to create app groups or show you additional information about one of your installed apps.
This app is open source; you can learn more here: https://bitbucket.org/JRummy16/market-api-helper
If you have any additional questions please feel free to contact us at firstname.lastname@example.org