myTOKYOGAS is a free iPhone app designed for customers of Tokyo Gas, a gas and electric utility company in Japan. The app is an extension of the company's web membership services and offers a range of features that allow customers to easily manage their accounts.

One of the main features of the app is the ability to check billing amounts and usage for both gas and electricity. Users can view graphs that compare their current usage to previous months, making it easy to track changes in their consumption patterns.

Another useful feature of myTOKYOGAS is the point service, which rewards users with "Patcho points" for using the app to check their gas and electricity usage or answer quizzes. Points can be exchanged for various rewards.

In addition to these practical features, myTOKYOGAS also includes a fun "Patcho slot" game that offers users the chance to win points instantly.

Overall, myTOKYOGAS is a convenient and user-friendly app that provides a range of useful services for Tokyo Gas customers. It also offers helpful content on energy-saving and other lifestyle topics.