Any one can answer my question?
Yes you can it was depends on what kind of campaign you joining if you join in some campaign that not under in etherium contract then you have to download there wallet first before you can join jut like any other campaign for me etherium is more easy so i suggesting my ether wallet
there is no hassle regarding on how you can make account on my ether wallet so if i were you, try to make ethereum wallet yes let say there is some or you can participate with some in some ICO even if you dont have eth address but as i told there is no hassle on making your account so just make it.