There are three content types: ringtone, wallpaper or sticker pack.
NOTICE: Not in all cases will all three types of content be available for creation. Expand the drop-down list and see what content types are available for you to create. No matter what content you will have at your disposal, the Guideline will show parameters for all three types.
A ringtone is an audio type of engagement which allows you to submit audio files that end users can download it and use as a ringtone.
Wallpaper is a media type of engagement that allows you to submit an image that the end-users can place as their phone wallpaper.
The sticker pack is a type of engagement that allows your users to send stickers through chat and increase your brand awareness with your brand sticker pack.