While much of the mobile apps loose downloads since the worldwide COVID-19 outbreak, there is one store category that is growing more than ever - Social Networking (App Store) or Communication (Google Play). In other words, video call apps, social networks, and entertaining apps with video chats feature massively increased.

From getting downloads to enhancing the brand image, in-app advertising is a big game of improving user acquisition. From 2015 to 2019, mobile ad spending grew by 240%, which proves the in-app advertising to be one of the essential marketing tools. Many mobile publishers faced with advertising through mobile Ad

The year 2019 in the mobile gaming industry was marked by several important events, among them a steady growth in the popularity of casual and hyper-casual games. According to the AppsFlyer report, in the Q4 of 2019, Casual and Hyper-casual categories saw 18% and 16% NOI increase respectively. The market