I am also interested in the answer to the question above. I've been trying to figure it out for three months now, but it just doesn't work.
Please use this board to share custom content files for the D&D3.5 and D&D5e applications for android.
The 3.5 app can be downloaded here:
Online Content Creator for 3.5
All content in one file can easily be downloaded here:
Online Content Creator for 5e
Online Character Manager for 5e
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