How to make money on Hello Talk?

Hello there! I've been hearing a lot about making money on Hello Talk, and I'm curious to know more. Could you explain in detail how someone can actually earn from this platform? Do you have to be fluent in multiple languages to succeed? Are there any specific strategies or tips that you could share to maximize earnings? I'm particularly interested in understanding the mechanics behind it and how users are rewarded for their contributions. Looking forward to hearing your insights!