Media company Turner Broadcasting has exited Locket, a lockscreen app development startup that had raised almost $4m in funding.

Locket, a US-based lockscreen app developer backed by media company Turner Broadcasting, was acquired yesterday by online shopping platform Wish for an undisclosed sum.

Founded in 2013, Locket has developed two Android smartphone apps for smartphone lockscreens. One of them, also named Locket, offers a personalised news stream, while a second, dubbed ScreenPop, is an instant messaging service.

Locket raised $3.2m in a February 2015 series A round backed by Turner, as well as Fierce Capital, Great Oaks and several…