Hi my name is ram.lets talk about champcash.it is a monery earning mobile app.i have also a member of this. you can earn money by refer this app to your friends. but I do not get any additional money from it. if you do not able to join your friends on it so please do not us this app. because is a pay only on refer and earn bases. in this app other medium of earn money is ad-junction, shopping etc.but they do not pay so well.so do not use this