I'm one of a developer for Open Data Kit. And This is the first open source community that I have contributed to, I have to say, ODK is an awesome place to get

I'm one of a developer for Open Data Kit. And This is the first open source community that I have contributed to, I have to say, ODK is an awesome place to get start with open source developments and all the ODKers are so warm hearted and cool! ODK can teach many things you don't know and all you need to do is to claim an issue and send a PR!