Yes! It is possible to access the course materials offline only via Moodle App. However, you need to connect to the internet(preferably WIFI) to download the materials. For more information, see the guide provided below.
If you do not have an account yet, you can apply for one by entering your details on self-registration page. To learn more about self-registration, check the guide attached below.
To reset your password, click on the "forgotten password" link as shown below.
You can update your profile picture and other details from your profile menu. Your user profile menu is located at the top right of your screen. Kindly follow the guide attached below.