Here is the github address.
The idea10 project files are checked in.
I am not sure if the quality of the code is good enough to be open source, I probably should've improved it further but I am a bit sick of writing Java and the painful process of running Android UI tests.
Out of the features that I really want from this app, the only one left is the photography log. I may come back to implement this in the near future. If you want to contribute, please let me know so that I will provide more documentation (like how to build/run tests and so on)