I just used it for a while. There are few comments. If wrong please forgive me.
Need to upgrade the notification system when there is access. Or trading orders.
Emergency wallet can be locked when attacked by hackers.
Support for free gas trading when new wallet is not yet valid.
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Pros
Multi-function wallet can extract to multiple platforms. Help users convenient in transactions. Integrate many tokens.
Extracting is easy to log into another platform
Cons
Security is not absolute. Access is sometimes a bit complicated, making it difficult for new users. The transaction does not support newly created wallet because there is no gas.
There is no notification support when someone accesses the wallet.