How to boot my Hackintosh like a real macbook pro or air retina?

How to boot my Hackintosh like a real macbook pro or air retina?
Please if anyone knows help!!!!!!!!
With the black screen and white apple logo
and also my apple boot logo is stretched
searched a lot but did not find any solution.

Not sure about skipping the boot screen but if you want to make it not stretched just do this:

Open spotlight at the top right hand corner and search for /Extra, it should be the first folder that comes up.

Right click on org.chameleon.Boot.plist and click Get Info, once there scroll down to Sharing & Permissions and click the little lock icon, enter your password if you have one and make sure staff and "yourusername" have the Read and Write privilege and exit out of that window.

Then open up the .pilst file and near the bottom you will see <string>"1920x1080x32"</ or something like that, change the first two blocks of numbers to your display size, in my case it was 2560x1080x32 but yours may differ, just make sure you leave the x32 bit at the end.

Jake