Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for openpdf - Ebook PDF Search Engine and Viewer by JNow
Rated 2 out of 5 stars
Says Not Found but brings you to their website where you can then input information. Brings back results with some pdf's but also link to books only.
To create your own collections, you must have a Mozilla Add-ons account.