Where can I find examples of Quartz 2D drawing on the iPhone?

Question

I am going to develope the 2D game in Iphone using Quartz.

what is the main Difference between Quartz and QuartzCore?

I have searched a lot over the internet

Answer 1

There are a number of very nice Quartz2D and CoreAnimation animation examples in this project, from the 360iDev conference session on Core Animation:

http://github.com/neror/CA360