We posted recently about replacing your Windows 10 Mobile system font with Segoe, but that was somewhat complicated and required you to hack your registry.
Now Ngame on XDA-Developers have posted an app (which would need to be side loaded) that makes it as simple as pressing a button.
The app only works with Nokia / Microsoft phones at this time because of using Nokia RPC specific classes.
The instructions or using the app are:
1 . Deploy this app using Windows Phone 8.1 SDK.
2 . Run the app on your phone.
3 . Tap on select font button and choose any .ttf font you want which have had their font properties changed (see this XDA-Developers thread).
4 . If you see (NGame) or (NGame2) message box it means you are done .
(if you see NGame message it means now you have a font in C:\Windows\Fonts with ngame.ttf name and you set this font in registry .
if you get NGame2 message it means now you have a font in C:\Windows\Fonts with ngame2.ttf name and you set this font in registry .)
See screen shots of the app below:
Read more and find the XAP at XDA-Developers here.