Some people have tried changing the font on the lg motion using font installer *root*.

For most people that used this app, only had success changing the keyboard font

To fix that and change all the fonts.
You must have Root
And font installer *root*

Open font installer
Press your settings menu and click on
"Preferences"
Click on "select fonts"
And check box the following fonts

Androidclock
Androidclock highlight
Androidclock solid
Clockopia
Droidsans
Droidsans ethiopic regular
Droidsans georgian
Drodsans hebrew regular
Droidsans mono
Droidserif regular
Lge dialfont2
Lge dialfontlight2
Lg smartgothic bold
Lg smartgothic regular
Roboto bigclock2
Roboto regular

After that, select the font you like, install reboot and profit