From version 5.5.0 of the application there is new offline maps model implemented in MapPad.
To get an offline map you need to generate .mbtiles (Follow this guide to generate mbtiles file from Open Street Map data) file using your favourite software (e.g. Maperitive or MapTiler) and put it into SDCard->MapPad->Offline folder.
You can download sample file (Glen Etive UK) from https://drive.google.com/file/d/0B4YOvY9jfmPzLVlPVHFfam5qN28/view?usp=sharing. The above sample file can be visible from zoom level 12 to 16.
Mapbox is very dynamically growing platform and one of the biggest providers of custom online maps. Create your account and access your maps in MapPad.
To start work with Mapbox you need to create an account and get the access token for your content.
The token is available from the project page of the Mapbox account:
Your personal access token must be set in MapPad Settings->Cloud Accounts->Mapbox->Mapbox Access Token:
The token verification take place when it is added and if the token is valid access to Mapbox content is granted: