I think some of them go on sale for $15 or less (USD), so they're not expensive or anything, I just don't have the money to buy lol.
I'm saving up for a tablet, myself, but I'll have to check those games out. I do love me some DK though. o;
Sure! I'll have to do that when I have my 3DS around me, I normally keep it in my room upstairs for listening to music on while sleeping.