A free program for Android, by aegamesi.

This is an unofficial application for trading and chatting on the go with other players using the Steam network. You can chat with people from all over the world, trade items, make offers, and accept or decline their invites to play. You can also make a chat room with your friends and trade with them. It’s completely free to download and use.

The main purpose of this application is to enable you to play and trade with other players on the go, using the Steam network. It is not owned by, affiliated with, supported by, or in any way related to Valve Corporation.