The Llama application is a free Android automation tool available on the Google Play store.
I have recently set up a few things that make my life much easier.
1) Automatically pre-book my Cross Country seat using their TMR (ten minute reservation) service – if I’m at work at 9:30am.
2) Automatically SMS my missus if I haven’t arrived at the train station before my destination by 18:05. See here for details on how to do it.
Please comment with life automation that you have come up with.