OneSmile is a lifestyle app developed by OneSmile for Android users. It is a community app that offers a range of services and information to BSD City residents. With OneSmile, users can manage their documents with developers, exchange information with other residents, get recommendations for places and events in BSD City, and check the schedule of the BSD Link transportation system.

The app is designed to make life easier for BSD City residents and create a sense of community. OneSmile aims to improve the area with its social initiative "Everything is on Onesmile". With its user-friendly interface and useful features, OneSmile is an excellent app for those looking to stay connected to their community and make the most of their time in BSD City.