Hello, I got the pogo sketch on ebay and I find it is really hard to draw, I have to press really hard, is this normal?

According to what i've been hearing, yes, you need to apply some pressure in order to get the screen to recognize it. Having a screen protector could make it worse, but probably not by much.

The fake ones from bay are known for this issue as well.

How can I tell if this is fake?

We told you they were crap before you bought it. Yes, you do have to apply pressure with the Pogo, don't expect the Pogo to work like a normal stylus

I use my pogo. You have to press a little harder, but I've drawn some very detailed sketches using it and the finer point is much better than a finger.

There is another stylus by Mobi is it any better?

Yeah, I seen some pointy stylus that was for the iPad, but didn't buy cuz I was afraid it would damage the screen, although pointy would be more precise, I just couldn't risk it, becuz putting pressure on screen with pointy device could
Be dangerous!