Popular radio app TuneIn drum up $16m in a venture round led by General Catalyst Partners with participation from Google Ventures, Jafco Ventures, and Sequoia Capital.

Startup incubator thetime and advertiser Matomy Media are investing $2.1m in automatic website-to-app developer UppSite.

Online independent film distributor GoDigital attracts a "high six figure" seed-round investment from Preferred Ventures backed by former Facebook and Experian Executives.

Amazon is joined in the seed round by venture firms Venture51, Ludlow Ventures, Trestle Ventures, Quotidian Ventures as well as assorted angels.

One year-old Germany-based gaming start-up HitFox is the latest entrant to corporate venturing with the launch of HitFox Game Ventures.