21 August 2015. And finally, research by Nielsen IBOPE has revealed that online gaming is the most popular activity for tablet users in Brazil. 55% of tablet users questioned said they played online games, with social networking and watching videos and TV being the second and third most popular activities respectively at 44% and 38%. There are an estimated 21 million Brazilians who use their tablet to play games, generating 94 million US dollars for the gaming industry.