Disclosed is a mobile event streaming system that receives customer application lifecycle and user events including a message, event source and a destination then processes data for consumption by one or more customers, generating a secure data stream and sending the processed data over the generated data stream. An example system for receiving, processing, and delivering customer application lifecycle and user engagement data includes a server system having at least one processor, memory and a network interface where the memory stores program instructions for receiving, storing, processing and transmitting messages via the network interface. The mobile event streaming system may be a distributed content delivery service wherein the content delivered via the service is processed. Processing the data comprises the addition of metadata, one or more identifiers such as user, and event identifiers including predictions of future user engagement to enable real-time data consumption by customers.