Android Backup Manager

http://amsanjeev.wordpress.com/2011/09/28/an-introduction-to-backup-manager/
http://developer.android.com/training/cloudsync/backupapi.html
https://play.google.com/store/apps/details?id=com.backup.manager
http://developer.android.com/guide/topics/data/backup.html
http://developer.android.com/tools/help/bmgr.html
http://developer.android.com/reference/android/app/backup/BackupManager.html
http://lifehacker.com/the-most-useful-things-you-can-do-with-adb-and-fastboot-1590337225
https://developer.android.com/google/backup/index.html?csw=1
http://www.tomsguide.com/us/pictures-story/633-11-best-android-backup-apps.html


$ adb backup


[Note] pm list packages -f
[Note] use adb pull to get apk ( from /system/app or /data/app )