The logo of Google Play is displayed at Tokyo Game Show 2019 in Chiba, east of Tokyo, Japan, September 12, 2019. REUTERS/Issei Kato/File Photo Read More OAKLAND, Calif., Aug 28 (Reuters) - Alphabet Inc's (GOOGL.O) Google generated $11.2 billion in revenue from its mobile app store in 2019, according to a court filing unsealed on Saturday, offering a clear view into the service's financial results