Brazilian required. Brazilian market and simple research and answers

Will be good if you were into esports betting
We need to get some answers from a brazilian native (important!) resident.
The questions are related to the popularity and ways of promotion of online betting websites in Brazil
List of questions:
https://docs.google.com/document/d/1X6BW7Dj0YIp7LSrp5iKpAmguhjCfwb2_Nf9MDsUER0M/edit?usp=sharing