What information is needed to get the below mentioned application started?

Your question does not actually specifically name any kind of application, and it's not clear from your post exactly what your friend may need to do. However, if he is a child (or another kind of relative) of a person who died owning land in Georgia, then he likely needs to figure out what to do with the estate. If he is incarcerated, he likely won't be able to handle the estate himself. Whether or not you will be able to do anything on his behalf is an open question. Unfortunately, this forum is not intended for anyone to be able to provide actual legal help or advice. You, on behal of your friend, need to contact an attorney who handles probate matters in the Monroe, Georgia area (not all probate attorneys work in all counties) and get a consultation. After asking more questions and gathering more information, the attorney can then help you figure out what can, should, or must be done to help your friend. But there's no way to know what is needed without a lot more information than you can or should be posting online in a public forum. Best wishes to you and your friend.