MSBrowser Portable = Firefox + Webfreer Shadowsocks server + Epic Browser's servers + Some other SOCKS5 Proxies.
Google Chrome:
For using MSProxy extension on chrome, please do as below:
1. Install SwitchyOmega extension from play store.
2. Download SwitchyOmega Option from here:
https://sourceforge.net/projects/webfreer-portable-ads-free/files/Tools/SwitchyOmega_Options/OmegaOptions.bak/download
3. Restore "Option" file from SwitchyOmega extension.
4. Now you can chose a server...