This can be installed via talent as well
For OE 2.5
wget -O /tmp/geminilocale_all.deb http://download.blue-panel.com/geminilocale_gp4.php && dpkg -i /tmp/geminilocale_all.deb
For OE 2.6
apt update && wget -O /tmp/geminilocale_all.deb http://download.blue-panel.com/geminilocale_gp4.php && apt install -y /tmp/geminilocale_all.deb