Crowd Calendar for TDR is an Android application developed by Rui Kowase. The app is designed for visitors to Tokyo DisneyLand and Tokyo DisneySea who want to plan their visit efficiently. The app includes a crowd calendar that allows users to check the expected crowd levels at both parks. Additionally, the app provides a yearly event schedule for Tokyo DisneyLand and Tokyo DisneySea, making it easy for visitors to plan their trip around special events.

The crowd calendar is a helpful feature for visitors who want to avoid long lines and crowded areas. The app provides an easy-to-use interface that allows users to check the expected crowd levels for each day. This feature can help visitors plan their visit to the parks on days when the crowd levels are lower.

The yearly event schedule is another useful feature of the app. It provides visitors with information about special events happening at both parks throughout the year. This feature can help visitors plan their trip around events they are interested in attending.