Friday Mobile Round-Up: Janrain Social Log-In, Visa Mobile Payments

Janrain Creates Social Log-In for Android Devices: Developers who use Janrain social log-in SDK can allow their users to sign-in to their apps with existing accounts on Facebook, Google, Twitter, Yahoo, LinkedIn or other networks. They can also publish comments and other activities from these apps back into their social networks. This seems like an alternative if developers want to use more than Facebook’s single sign-on.

Visa to Share Details of Mobile Payments Strategy Next Week: Joseph Saunders, the credit card company’s chief executive, said that Visa plans to make an announcement next week about mobile payments. The company recently made a strategic investment in Jack Dorsey’s Square and bought Playspan, which supports virtual currency transactions in games.

Apple Fixes Location Tracking Bug, With iOS 4.3.3 Release — Apple released iOS 4.3.3 earlier this week, says The update is meant to fix the tracking bug that stemmed from various location-based services.

Google Earth Optimized for Android — Google Earth for Android has received and update to allow it to look even better on tablet devices. Updates include support for fully textured 3D buildings, new usability improvements, the ability to “fly to your location,” and the ability to layer Places, Panoramio photos, Wikipedia, and 3D buildings.

iPhone 4 Coming to India — It appears that the iPhone 4 is expanding to India as telecommunications company Bharti Airtel has started pre-registrations for the device, says The Next Web. No official launch date or price has been made available, but rumors suggest the end of May for around Rs 30,000 (for the 16GB).

JiWire Raises $20 Million — According to TechCrunch, mobile advertising company JiWire has raised $20 million in funding in a round led by Trident Capital. The company offers a location-based ad platform that provides “highly targeted” advertisments to users.

Tablets Eat Into PC Usage — Based on an April consumer survey from Nielsen, the onset of tablets have actually reduced the amount of time Americans spend on computers. 32% of users stated that they used their desktop PCs less, while 30% said that they used their laptops less.

Shopkick Reaches 1.4 Million Users, Signs Crate & Barrel Deal: The social shopping app, backed by Kleiner Perkins’ iFund and Greylock, hit the 1.4 million user mark after launching last fall. They also secured a deal with Crate and Barrel that will have the housewares chain give out rewards to shoppers who use the app.

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