Numstr

Im make this for my self to fast check latest version and download it. 90% of time you dont need to update launcher `AppNameLauncher.exe`, just update app located in `App\AppName`....

> to make ~~any~~ portableapps' app self-updatable by myself? Not any app. To update yourself, you need to change the BAT file, but you need to know what exactly needs...

> Alright, I'm gonna limit the scope. I think my most imperative app to update is Firefox Browser. So is it generally a good idea to download and extract firefox...