Parrallel space is free app available on playstore this apps helps in buildong multiple accounts of different apps example: facebook, whatsapp, clash of clans etc in my phone I had installed parallel space and created a multi account of clash of clans its not working the hadnt loaded for atleast 10 minutes several times I had done for it but no use so please dont download this or install it this app will slow down your phones perfomance if you have any doubt then try this app I had experienced it so dont install this app your time will be waste