慧灯之光 is an iPhone application that serves as a comprehensive platform for users to access valuable Buddhist teachings and content from the "慧灯之光" series by 慈诚罗珠堪布. Users can enjoy features such as online reading, audio and video playback, and downloads.

The app offers a range of content including the lineage of three revered masters, curated Buddhist teachings for different user needs, a section for audio and video materials, a Q&A segment addressing various life and practice questions in a candid and humorous manner, meditation resources, engaging short videos on different themes, a collection of Q&A sessions with 慈诚罗珠堪布, and practical tools like audio recitations, prayer guides, Tibetan calendar lookup, and ritual guides.