What kind of marketing do you think to apply to a wide audience worldwide? I think users are unlikely to leave popular instant messengers
The best marketing is user recommendation. If the application and the virtual map are convenient to use, then people themselves will talk about it on social networks
In order for people to start using Atronocom for the first time, they need a large budget for social media marketing.
People are wary of something new. You need strong media and blogger support. Now it is the most useful advertisement.