Hi friend .today I am talking about a very nice app.name is whatsapp.we can talk by its.we can chat by its.we can sent many pictires to your friend.we can sent own voice to our friend.it is connected by our own mobile number.i love this app.i am very satisfied this app.its voice quality very nice.it has great attractive sending picture option.also it has nice camera cliking option.i never seen before like this app.you can block also.it has block option available here.if u dont wanna to talk someone.then u block him.immediatley. I reccomended everybody .its a great and important part of our life.thanku