Differences are generally down to what different types of paint were designed to do but they all get used for purposes they were not originally intended for & as this is internal you would get away with almost any type of topcoat. Acrylic paints are water based so no need for thinners or any sort of special cleaner. You could then use a clear varnish to give satin, matt, gloss look. Should be able to do for 35 squids easily.
As for how to apply well a gloss roller like 1want1 has mentioned will work ok, spraying is possible depending on what sort of spray system you have. Acrylic paint is thicker than cellulose which makes a big difference to using a spray system