Yahoo!ウォレット is a free Android app developed by Yahoo Japan Corp. that allows users to split bills and send money to friends easily and quickly, 24/7 and with no fees using Yahoo!マネー. The app also rewards users with T points by using Yahoo!マネー in Yahoo! Auctions!, Yahoo! Shopping, and LOHACO. Additionally, it is possible to use LINE and Facebook groups for multicurrency collections.

The app allows users to send payment requests to one or more people, manage and add friends to the list, and check the past history of transactions. Also, it is possible to receive Yahoo!マネー and pay out as cash to the account. The app lets users read QR codes to add destinations and make payments and receipts.

Overall, Yahoo!ウォレット is a convenient app for those who need to split bills and send money frequently.