To properly sign a PDF on your Android phone or tablet, you'll need to download an app from the Google Play Store.

How to Transfer a PDF With the Android. Whether you want to send a PDF application to a potential employee or download government forms in PDF format, your Android device lets you do so without ...

Sometimes there’s no way around it — you’ve got to use an app. If you need to sign a PDF document from your Android phone, that’s simply how you’ve got to go — unlike iOS, which lets ...

Apple's iPhone has a hidden document scanner in its Notes app, and now Android owners have a dedicated app from Google called Stack.