A method apparatus for resource allocation and related products are provided. The method includes the following. An operating system acquires at least one system event associated with a target application in response to detecting that the target application is running in a foreground of the mobile terminal. The operating system identifies an internal running scenario of the target application according to the at least one system event. The operating system acquires a strategy for performance improvement corresponding to the internal running scenario. The operating system adjusts allocation of system resources of the target application according to the strategy for performance improvement.