Follow this link.
It has TouchDB-Android and TouchDB-Android-Ektorp. Import these folders as Libraries in your project and then you are done.
https://github.com/couchbaselabs/TouchDB-Android/wiki/Getting-Started
- You need to make these two Projects(TouchDB-Android, TouchDB-Android-Ektorp) in Eclipse as libraries by checking option "is Library".
- and then include them in your main project.