First of all, congratulations on your [soon to be] new addition! You will be so happy. This forum can answer ANY question you ever have about your little one. You'll have to post some pictures when you get it!
My cats live in an apartment too. Just try a couple different types of toys like balls, wadded up paper, fishing toys, cat nip toys... a lot of times cats will play with these by themselves and you'll see them even imagine to be chasing things sometimes. Go to www.cozycatfurniture.com
as well and get a cat condo/tree. I recommend the Cat Gyms there because they have a variety of combinations with scratching posts, dangling toys, lounge areas, and it's fun for them to climb on. They seem expensive, but if you research other cat trees they are much more affordable on this site. Don't worry if your kitten doesn't take to it at first, but it will be all over everything so it probably will. They are easy to put together from this website and all you need is an allen wrench which comes in the box. There are also specially designed laser pointers sold at pet stores that cats just go nuts over.
As for food... (I know you didn't ask so pardon me) DON'T feed him dry food! I just learned this after thinking that dry food was healthier. Wet food is more healthy because it has more water and less carbohydrates. Cats only need about 3% carbohydrates in their diet and anymore causes them to gain weight or have other problems.
Keep the litter box as far away from the food/water station as you can get it. It's best to put the litter box in as isolated an area as possible.
Welcome to TCS and we look forward to hearing about your new addition!