This project will test the feasibility of an electronic game to prevent HIV among African preadolescents, delivered via inexpensive Android smart phones. In order to collect feasibility data for a future randomized controlled trial, this study involves the pilot-testing of the intervention with a sample of young people in Nyanza region, Kenya, where 11.4% of young women ages 15-24 are HIV-infected. This feasibility study will be carried out with the Kenya Medical Research Institute (KEMRI).