To fix this Issue, Android error processing purchase df-bpa-13, this we have tested on the Viewsonic tablet.
First Setp is to ->
- We need to go to andorid Settings -> Applications -> Manage Application -> All
- Choose the Google Play Store
- Force stop
Second Step is to ->
- We need to go to andorid Settings -> Applications -> Manage Application -> All
- Choose the Google Service Framework
- Clear Data
- Force stop
Third step is to ->
Shut down the tablet and restart Tablet and go to playstore for accepting agreeement and start downloading new applications...
Enjoy Android.