1. Go to SimpleX app --> Settings --> Networks and servers --> Your servers --> Add server --> Enter server manually --> Paste the SMP and XFTP servers one at a time to add them 2. Go to SimpleX app --> Settings --> SOCKS proxy settings --> Set SOCKS proxy to 127.0.0.1:4447 (or what port your I2P SOCKS proxy is) Don't forget to give your I2P SOCKS proxy an outproxy before doing all of this! You can use Tor's SOCKS proxy 127.0.0.1:9050 as an outproxy.