This Application used to managing your memory usage by Viber software.
some function of software is like below :

1- showing your internal and external memory usage.
2-showing how much your viber use memory. then you can delete all this data easily.
3-Intelligent system for preventing your memory full status. before your memory goes full some oldest files will delete to get more space.
4-daily deleted is other function of software.you can easily delete all data in daily period.
5-you can delete files depends on date f creattion. you can keep files in recent day and delete all files before that easily.