One Button Cleaner for WhatsApp description

In the process of using WhatsApp, many files such as pictures and videos are always left in the mobile phone.
It is boring to click one by one when deleting this files . This program is designed to solve this problem. Just click a button and all files that match the delete setting will be deleted.

In the settings:
You can choose which type of file to delete.
You can adjust the number of days not to delete files.