here is a simple bash script for you to customize in order to fetch and install PyRoom (also as attached file):
#!/bin/bash
# Fetch PyRoom last tar.gz from the Internet onto your USB key/HDD drive (replace with your PATH)
cd /mnt/sda1/PackTC
# wget
http://launchpad.net/pyroom/0.4/0.4.1/+download/pyroom-0.4.1.tar.gz# Uncompress PyRoom
tar -xf pyroom-0.4.1.tar.gz
# Load dependencies (replace with your PATH)
tce-load -i /mnt/sda1/tce/optional/python.tcz
tce-load -i /mnt/sda1/tce/optional/pygtk-2.7.tcz
tce-load -i /mnt/sda1/tce/optional/pyxdg.tcz
tce-load -i /mnt/sda1/tce/optional/libglade.tcz
# Run PyRoom
cd /mnt/sda1/PackTC/pyroom-0.4.1/
python pyroom &
EDIT: added missing dependency (libglade.tcz)