Avira, an anti-virus solution for desktop computers now beginning to explore mobile device. Avira launched its first application in the Android Market under the name Avira Free Android Security. Unlike most other apps in Market, Avira Free Android Security is designed to help users ensure their data is secure when they are lost or stolen phones.
With Avira Free Android Security, users can trigger a loud voice from the phone remotely, even when the phone is in silent mode, lock it remotely, specify the location of the phone using GPS, enabling those who find the phone and call the owner to monitor battery life and the phone other details. For users who have more than one phone, they can also manage multiple accounts.
You're looking for an app to do such things? If so, maybe you find the right answer. However, Avira Free Android Security is still in beta, so expect to solve various problems when you use it later. You can download it for free via the Android Market.