Using a eReader Tablet case like Kindle Fire Lightweight MicroShell Folio Cover by Marware, Pink to hold your Tablet or eReader can make your Tablet or eReader easier to hold since some cases are also padded, so they are not as hard, and softer on your hands then a back of a tablet which is hard, and have sharp corners in many cases.
Tablet cases have rounder corners sometimes which make them easier to hold. Also, the Tablet case usually use leather, rubber, and less slippery material then the back of a Tablet which uses metal, or plastic sometimes which can be slippery compared to rubber or leather. This means your Tablet is less likely to slip out of your hand if someone bumps into your hand while you are using it.
Some nicer cases also have a stand built-in to them making it possible to stand them up like a desktop monitor, or digital photo frame, so you can use both hands to play games and use your apps which can make games easier and more fun to play.
A Tablet case also protects the back, and front of the Tablet when closed. There are also some cases which protects your Tablets sides if it has a zipper. More sturdy cases can also protect your Tablet from falls.
Many Tablet cases also have a pocket for credit cards, stylus, money, and paper which can make it handy for carrying around, and could replace your wallet, or purse if you also use your case to carry your ID, money, etc.
Tablet and eReader cases usually have a book like appearance, so from far away they look like books instead of expensive tablets, so your Tablet will be less likely to get spotted by robbers, and stolen.
Plus, if someone says your Tablet is theirs, you can take out your ID with name, address, and phone number inside the Tablet case to prove the Tablet belongs to you. You can also save a contact/text file inside your tablet with your name, address, and phone number on it.
Having a paper with your name, address, and phone number, or a contact you file inside your Tablet memory will more likely help the person or police who found your tablet contact you that they have your Tablet or eReader.
Tablet cases are a cheap and easy way of protecting your Tablet case while making your tablet or eReader more comfortable to hold because the case is softer, and have rounder corners.
Tablet cases also look very cool making your Tablet look different from everybody else Tablets which are unprotected by a case.