You should specify image url
with which one can determine the background image of the signature field. So it would be possible to upload information to the user in the background.
This feature has been implemented in Signature Capture version 7.0.
You can download the latest release from Google Play Store here:
https://play.google.com/store/apps/details?id=biz.binarysolutions.signature
In case you need more information about Signature Capture, please visit our product page here:
http://binarysolutions.biz/signature-capture-for-android
If you are looking for a stylus pen suitable for your Android device, take a look at our recommendations here:
http://binarysolutions.biz/signature-capture-for-android/stylus-for-android-device/