Watermelon, etc. pasmo, It is an application that displays and manage the use history of the card in the mobile phone.
Membership registration is not required, it is an app to enjoy such deals coupon that can be referenced in the off-line.
It is a convenient tool to help record and shift work, such as part-time job, time and attendance, of wages, in the calculation of salary.
"Hayagaeri" Train Traffic information is an app that can be referenced in real-time operating information about the railway.
As long as you have your smartphone to download the timetable in advance of data necessary train station, and also active in the off-line.