Bengaluru-based gaming investment company Jetapult has acquired a stake in Saudi Arabia-based game developer UMX Studio for $4.5 million.Jetapult will provide capital to expand UMX Studio's portfolio and increase its audience across markets.Jetapult aims to invest in a diverse portfolio of gaming studios in emerging markets, with a focus on high average revenue per user markets.This investment comes amid a surge in overseas acquisitions by gaming firms.