Now it becomes much more used as a personal wallet than an exchange interface. Some don't even know that it belongs to binance.
And I can see their logo everywhere in trust wallet website

I saw a link about it:
https://binance.zendesk.com/hc/en-us/articles/360010790652Binance Acquires Trust Wallet - A Secure Mobile Crypto Wallet
2 years ago
2018/07/31
Fellow Binancians,
Binance has completed the acquisition of Trust Wallet, a secure and intuitive mobile wallet. Through this acquisition, Binance aims to provide a better service and to enhance the safety for all of our users.