3S Wallet is a free DeFi wallet for Android that allows you to buy and sell digital assets, as well as store them on your phone. It supports multiple blockchain including ETH, Binance Smart Chain, BHO chain, and Polygon. With 3S Wallet, you can create a new wallet or import your existing wallet. The wallet's private keys and assets are always under your control, ensuring maximum security.

The exchange feature of 3S Wallet provides one-click access to different DeFi exchanges such as Kyber Network, Uniswap v3, SushiSwap, and PancakeSwap. When you swap tokens, the app chooses the exchange that provides you with the best rate and lowest gas fees. The app also allows you to send tokens easily on both Ethereum and BSC, with one-click service to transfer tokens from one wallet to another. QR code scanner and ENS are also available for easy sending. In summary, 3S Wallet is a great app for anyone looking to store, buy, sell, and exchange digital assets in a secure and user-friendly manner.