To start beta testing Todoist 2.0, these are the steps:
- Join the Google Plus "Todoist for Android – Beta" community by going to this link: https://plus.google.com/communities/108057919781399570441 and pressing "Join community" in the top right corner.
- Visit this link: https://play.google.com/apps/testing/com.todoist and click the "Become a tester" button. If you see an error page, make sure you joined the community in step 1.
- Go to: https://play.google.com/store/apps/details?id=com.todoist and install the latest version of Todoist. Note that this might take an hour or two to take effect.