If you not find any mobile scanner application in Blackberry appstore that suitable for your needs. Then you can install mobile scanner from android market. Of course you need APK files, and your blackberry must be OS 10.
You can search apk software in google, or if you have android phone, you can backup applications APK.
Here's example of installing android applications in Blackberry OS 10.
1. You need to search APK that you want to install.
2. Download it.
3. For this example, i'm installing Tiny Scanner
4. After download, just tap on apk files.
5. Then choose install the apps.
6. If your devices ask to allow installation from 3rd party apps, just allow/activate it.
8. Now run the applications.
Below is Tiny Scanner on Blackberry OS 10, in my BB z10:
Tiny Scanner seems all working on my BB z10.
Note : not all application will work on BB OS 10. Because it's blackberry not android.. :)
That's it enjoy android mobile scanner application in Blackberry OS 10