New fishing Kayak for Newbie

So I've recently gotten into the idea of kayak fishing and picked up a kayak from a gentleman on Craigslist after looking over some reviews on it. It's a Feelfree Moken 12 SOT. I'm hoping to bring it out on some small lakes at first for walleye then work my way up in lakes and night fishing as I gain experience. My question is has anyone had some experience with the Mokens? Are the suitable for what i'm looking to do? Also what might be some additions I might want to make it easier for fishing? Next purchase I need is a good PFD vest (my current one rides high on me in the kayak) and then a anchor trolley but what else should I look into? Also any tips on setting it up for trolling would be appreciated as well (sorry, so many questions and I'm excited to learn!) Thanks for any help as always.
-Finn

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feelfree-moken-12-standard-kayak_3.jpg (38.3 KB)

New fishing Kayak for Newbie