Grau é Arte Online offers various interactive gameplay elements, including engaging art challenges, community contests, and collaboration with other players to create unique art pieces.

To join community art contests, navigate to the contests section within the app. Review the ongoing contests, select one that interests you, and submit your artwork according to the provided guidelines and deadlines.

Yes, collaboration is a core feature. You can invite other players to work on shared projects. Look for the collaboration option in the main menu, select your partner, and start creating together.

Creating and submitting your artwork involves several steps. First, choose your preferred art tools and medium within the app. After creating your piece, navigate to the submission section, select your artwork, and follow the prompts to upload it for community review.

Grau é Arte Online provides tutorials and resources under the 'Learning' section. You can explore video guides and written instructions to improve your skills in various art techniques and styles.