Simple Mobile apps have been very popular among FOSS enthusiasts. I've personally been using the Gallery, Contacts and the Phone app since a few years now. It's a shame that it has come to this, will be on the lookout for their forks.
Then you just try to avoid updating for as long as you can, untill something breaks or a feature you want is added, so you spend little as possible on updates. Imagine the security holes.
