Install unclutter to be able to hide a cursor:
<code>
apt-get install unclutter
</code>

open global autostart file

<code>
nano /etc/xdg/lxsession/LXDE-pi/autostart
</code>

and add the following lines
<code>
@unclutter -idle 0.1
@chromium-browser http://localhost:5000 --fullscreen-mode --kiosk
</code>
this will open google in fullscreen on boot and after login(if login is enabled)