Kumpulan lagu Poppy Mercury is an Android music application developed by kagharodeveloper. It is a collection of some of the best songs by the late Indonesian rock singer, Poppy Mercury. The app features her most popular songs, including "Surat Undangan" and "Antara Jakarta dan Penang," as well as some bonus tracks from the 80s and 90s.

The app also includes a brief biography of Poppy Mercury, who was one of the most popular singers in Indonesia during the 90s. She was known for her unique voice and style, and her music continues to be popular among fans of Indonesian rock music. With Kumpulan lagu Poppy Mercury, users can listen to her music anytime, anywhere, and take a nostalgic trip down memory lane.