It is mainly you can use for some general editing in the images. But if you want more functions you need to install software like coral draw, photoshop.
You can't do this, it automatic precess, if your friend-friends accept you friend request. You have a mutual friend that is your friend.
You can download a pdf to doc converter or text converter.
In india there is scope for ME, but hard work matter. Which company you choose, sometime it happen that you do the job of QC. That is not the work of ME.