The Google App Engine does not offer any type of data backup solutions, though the underlying data store is designed to be highly fault-tolerant.

Google App Engine 没有提供任何数据备份解决方案，但是底层数据库具有很强的容错能力。

youdao

Other Lenovo offerings include camera apps; a security app with antimalware and antitheft features; as well as a data backup app that saves contact lists, text messages and call logs.

联想的应用套件中还包括相机应用程序、反恶意软件和防盗窃的加密程序，以及保存通讯录、短信和通话记录的备份程序。

youdao

Do not use Sony Ericsson's 'Backup and Restore' app as this will be overwritten.

不要使用索尼爱立信的“备份和恢复的应用程序，因为这将被覆盖。”

youdao

Like its previous Android products, ASUS has thrown in its usual bundle of apps: App Backup, App Locker, File Manager, Mirror, MyDesktop (powered by Splashtop Remote), MyLibrary, MyNet (DLNA), Polaris Office 4.0, SuperNote, Watch Calendar and WebStorage.

ENGADGET: ASUS PadFone 2 review: two times is a charm for this phone-in-tablet combo

So, as a backup, we also got "Santa's Video Chat, " a 99-cent iPhone app.

WSJ: Comparing Santa Video Chats