Excellent. Might be better than the first party titles I've tried thus far. This and Casual Birder both slap soooo hard. Can't recommend enough. 

The only piece of criticism I have is lack of things to do other than farm. It would be really nice to be able to buy posters, trinkets, and little things to add to your apartment. Some life progression would be nice beyond just the text messages. Also, the shop aspect would be fun to integrate. It would be nice to be able to enter the shop, manage sales a little bit, etc. But this doesn't keep me from coming back again and again to play :p