Using the feature class codes (GeoNames.Org) and Concise Codes (NR Can), you can filter which feature you want to be displayed on your Android device. The App defaults to mountains and lakes. You can change them in the Settings page.
The offline feature of this App has been targeted to work primarily in Canada (default). Since GeoNames is one of the primary sources, to target this app to your place of interest, simply change the GeoNames zip file source setting. Visit the download directory to find the file that interests you (http://download.geonames.org/export/dump/).
What The Peak
This app has access to :