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Facebook's Home app for Android phones has been downloaded more than 500,000 times from the Google Play store since its release on 4 April. But it has received mixed reviews from users, with an average rating of 2.2 out of five stars.

Security researchers have identified 32 separate apps on Google Play that harboured a bug called BadNews. On infected phones, BadNews stole cash by racking up charges from sending premium rate text messages.

A new smartphone app is on hand to help Icelanders avoid accidental incest. The app lets users "bump" phones, and emits a warning alarm if they are closely related. "Bump the app before you bump in bed," says the catchy slogan.

Online professional networking service LinkedIn is dressing up its mobile application to impress people who are increasingly scrolling through content on smartphones....

Content has become a large initiative on LinkedIn’s web property, but it hasn’t translated as well to its mobile apps. More users are shifting to mobile, and as the Pulse team was mostly focused on mobile, they can contribute to LinkedIn’s content efforts specifically on mobile platforms.

Douglas Rushkoff says Facebook's new app just increases disorientation and isn't getting rave reviews from users... And when I looked up Facebook Home online to try to find out just what it was, the first search results that came up were from users sharing how to disable it. This way, consumers can buy the discounted phones on which Facebook Home ships, and turn them back into a regular Android smartphones, where Facebook is just another app we can use in our own good time.

Smartphones are powerful tools, and with the right apps and accessories, they can become even more so. A California-based tech company has launched a tool that turns a regular iPhone 4 or 4S into a powerful biometrics scanning tool. AOptix has unveiled its app and a wrap-around device for turning the smartphone into a portable iris, face, fingerprint and voice scanner.

All in all, Facebook Home is ideal for true social network addicts. But those who aren’t constantly checking Facebook mobile for updates might find it more distracting than helpful.