Just a small example of GameCI using CircleCI to build an android app. This can help you in the first steps of setting up the Circle CI in your project.
Because I had difficulty finding examples on the internet.
- GameCI official page
- CircleCI official page
- Article Medium - Continuous Integration for Unity using CircleCI
- Gitlab - Migrating from CircleCI
- Project - Unity3d Gitlab Ci Example
The project is a clone of the Gitlab project example made by Gabriel Le Breton under the MIT license.