Mocana, a company that provides security for enterprise computing and is branching out into securing connected devices, has scored a $15 million round of funding led by GE Ventures. Existing investors Shasta Ventures, Southern Cross Venture Partners, Symantec and Trident Capital also participated in the round. Getting GE as a strategic investors is a coup for the company as GE is heavily investing in the internet of things on the corporate side. Mocana’s cryptography engines are in five of the top seven Android handset makers and inside devices from Panasonic and Honeywell.

Android Device Manager, Google’s answer to Find My iPhone, is now available to download from Google Play. Introduced back in August but only available on the Web until now, you can install the app on any device running Android 2.3 or later. The software lets you locate a missing device on a map, make a phone ring to help you find it, and remotely lock or erase a device if necessary. Google is still just playing catch up with this one, but better late than never.

Music service Spotify is now offering free music on iOS and Android mobile devices. The company announced the news on Wednesday, saying that listeners could shuffle music based on a favorite artist or could tune into self-created playlists or the playlists of other friends on Spotify. Previously, the company offered music in its mobile and web apps for a fee; it will still do so as the new free music service is ad-supported. Customers can still pay for Spotify Premium for an ad-free experience.

As smartphones finally begin to boom in Japan, so does the cash spent on apps. According to App Annie, the country has overtaken the U.S. as the top grossing country in overall app spending in both the iTunes App Store and Google Play this year. Japan’s combined iOS and Android monthly app revenue has more than tripled year-over-year, thanks to a boom in smartphone penetration. It’s also a market dominated by domestic app developers, like GungHo Games and Line. But, most importantly, Japan isn’t finished growing — making it a ripe market for app sales in the years to come.

Sprint’s new faster Spark network may be out of reach to most Americans, but it is starting to get more support from handset makers. Sprint said it would start selling a Spark-enabled version of the Samsung Galaxy S 4 in the next few weeks, which can tap into the faster network speeds of its new tri-band LTE network. Unless you live in New York, Los Angeles, Chicago, Tampa or Miami you won’t see those improved speeds, and Sprint is taking it’s time rolling the upgrade out to the rest of the country. The S 4 joins the HTC One Max, Galaxy Mega and S 4 mini on the Spark roster. They’ll be joined by the LG G2 next year.

With just 5GB of free storage, Amazon(s amzn) might not be the best place for iOS users to store data, but it has become a better place than before to keep photos and videos. The latest iteration of the app, version 2.0, adds automatic backup to iPhones, iPads and iPod touch devices. Videos are limited to 20 minutes in length if the auto-save option is enabled. Apple’s own PhotoStream is the more likely option for images in the cloud; however, those memories rotate out as Apple’s 1,000 image limit is hit. Perhaps Amazon’s online option isn’t a bad backup plan if you’re not already using Dropbox for the same function?

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