In order to submit your app to the Amazon marketplace and get it approved, your voice application must abide by their policies. Here is a quick list of subjects you would need to consider:
- Violation of trademarks and branding: Respect intellectual property and do not infringe upon others' copyright. Consider before using any resource whether there are any legal implications. For example, you would not want to use images from other companies or use trademarked voices as part of your application.
- Child directed: Your voice application should not sell products to, or collect data from, children.
- Health: Collecting and exposing personal health information is not allowed.
- Purchasing and selling products: In order to sell products, your voice application must utilize Amazon In-Skill purchasing (https://amzn.to/2GTwYM9).