Arisan, developed by Plugie, is a free Android app that helps users randomly choose a winner from a list of members. It is a useful tool for family social gatherings where members collect money and choose a winner every period, such as a week or a month. The app ensures that a member can only win once.

Arisan's main feature is its ability to randomly select a winner from a list of members. Additionally, users can edit the member list and import it from a text file in the next feature release.

Overall, Arisan is a simple and straightforward app that serves its purpose well. It is user-friendly and accessible, making it an excellent tool for families or groups who want to make the process of choosing a winner fair and impartial.