Having more animation in the interaction scenes is a good idea, and changing the erections depending on the situation is good too.
It is possible to have specific animations for the kissing and cuddling, but it'll be difficult and will take a very long time because of the customization. We will see.
The road map still apply. The next update will actually focus on finishing the top right features, and the next one after that will focus on the different mating scenes.