1. Begin by opening the Prepr navigation menu

2. Next, Click on 'Labs'

3. Here on the 'Labs' page, you will see a complete list of all the labs you have joined under the 'Joined' tab.
Note: If you have not yet joined the Lab that is associated with the challenges in which you would like to participate, navigate to the page of that lab and click the green 'Join' button
Click on the desired lab

4.1 By default, you will be viewing the 'Challenges' tab,
4.2 Scroll down to view the list of challenges associated with this lab

5.1 View the page for the challenge by clicking on the the title of the challenge

1. Begin by opening the Prepr navigation menu

2. Next, Click on 'Labs'

3. Here on the 'Labs' page you will see a complete list of all the labs you have joined
Note: If you have not yet joined the Lab that is associated with the challenges in which you would like to participate, navigate to the page of that lab and click the green 'Join' button
Tap the thumbnail image of the desired lab

4. Select the 'Challenges' tab to view to list of challenges associated with the lab you are viewing

5. Choose the lab in which you would like to participate, view the page for the desired lab by tapping the thumbnail image