1-Microsoft Office Mobile (cho Android)
https://www.thegioididong.com/game-ung-dung/android/ung-dung-van-phong/microsoft-office-mobile
2-Antivirus Android
http://www.avast.com/free-mobile-security
3-Recycle Bin:
https://play.google.com/store/apps/details?id=com.hexamob.androidrecyclebin&hl=fr
4-Kiểm soát hướng xoay màn hình
https://play.google.com/store/apps/details?id=nl.fameit.rotate&hl=vi
5-play.google.store
6-Tìm điện thoại Android bị mất
7-Thủ thuật Android
http://ungdungapk.com/thu-thuat-android/nhung-thu-thuat-nguoi-dung-android-khong-khong-biet.html
8-Thủ thuật Android 2
https://vi-vn.facebook.com/ThuThuatAndroid/posts/600091053366049
9-Viettel
10-Gmobile internet
http://gmobile.vn/content/147-Mobile-Internet/
11-Notepad 1
https://play.google.com/store/apps/details?id=com.tecxten.scribtor.free