Android research for shopping/searchig api

1) http://www.freeware4android.net/google-android-2-3-device-1859/tesco-shopping-app-download-118561.html

2) http://www.androidzoom.com/android_applications/shopping/paperless-list-pro_bubmx.html

3) http://www.xda-developers.com/android/paperless-list-uk-tesco-app/

4) for the expire date : http://www.androidapp101.com/best-before-android-app-2657.html

Some existing Tesco apps
5) http://www.gkishor.net/2011/02/android-app-to-shop-tesco-com-groceries/

6) http://www.techfortesco.com/forum/index.php?topic=269.0