Panda protector / APP

This is an APP that can contribute to a good cause.
The aim is to encourage people who have private cars to take buses or
subways to reduce pollution and protect the environment . It also protects
and contributes to the panda. People who own a car pay the amount of
the card, which is based on the number of times or the amount of each day,
and the energy can be converted into bamboo to feed the panda. Plant a
bamboo, need to integrate 10000g, the task can produce the integral after
24 hours, do not collect within 48 hours, will automatically hour.