This is a very good app for anyone,
who wants to access content that is usually blocked in his or her region or who simply wants to encrypt their traffic as they browse.
This is a very good choice to use Whatsapp, Viber, IMO, Skype Audio feature, Crystal clear voice and clear video. Fast Internet speed.
In UAE Etisalat and DU network working well for Whatsapp,Viber,IMO full audio and video.