For anyone interested in geting HotSpot Shield working on the N900 here IonutSavu write a trick:
1.enable extras-devel repo
2.install vpnc
3.install vpngui
4.Reboot
Go into the VPN applet press New and put in:
Name: HotspotShield
Gateway address: 68.68.107.101
IPSec Group: hss
IPSec Secret: hss
Get account ID
Go into the VPN applet again, hit connect and put in the username and password you get from the link above.
ENJOY!
(Source)