Google Media Framework (GMF) is a video player SDK for iOS. GMF offers the following key features:

• Support for mp4 progressive download and HLS streaming
• Demo app illustrating usage of video player and integration with IMA SDK
• UI customization (logo, color schemes, and action buttons)

If you want to get up and running with GMF, look at the Step by Step Usage

If you want to learn the architecture behind GMF, look at Architecture

If you have a question, look at the FAQ