"Osaifu-Keitai" is a "mobile app" to use WAON. When you register "Mobile WAON application", you can pay with WAON just by touching "Osaifu-Keitai" to the reader / writer as with the card. Also, you can earn WAON points or JAL miles every time you shop. In order to use mobile WAON, mobile phones compatible with "Mobile WAON" are necessary. In addition, if customers under 16 years of age use it, consent of parental authority is required.