Golgi, the US-based developer of a data transfer platform for apps and connected devices, launched this week with a $5m investment from mobile communications technology provider Openmind Networks. Golgi aims to cut the long loading and update times that often hamper mobile apps by helping them to receive information up to 20 times faster than they did before.

UK-based mobile payments app Yoyo has closed a $5m seed round. Telecommunications company Telefonica Group and early stage venture investor Firestartr both…