You wrote. "Trust Wallet has been fully tested by a leading security firm to ensure the security and integrity of the application." I would like to see a link to the website of this company and see their test results. Also, I can express my attitude. Now, the largest number of viruses is written specifically for mobile devices. And a postulate. The most reliable wallets - hardware.
In principle, you are right. I, for example, for hardware wallets. But, hardware wallets can be attached to a mobile device, but it will not be convenient to use. ) Represent Trezor connected to a smartphone?