comotto for Supporters is a free Android app developed by NTT DOCOMO that offers coupons and lottery participation for parents and children. The app is designed to support parents with young children by providing them with exclusive discounts and benefits. Members of the parenting support program can receive these offers, while non-members can sign up with their d-account to access them.

The app's main feature is the ability to obtain coupons and participate in lotteries that offer benefits for parents and their children. The program is aimed at parents who want to save money while enjoying fun activities with their children. The app is easy to use and provides a variety of benefits for parents. Overall, comotto for Supporters is a great app for parents who want to enjoy fun activities with their children while saving money at the same time.