FBReader is an e-book reader for Unix/Windows computers.
FBReaderJ is an e-book reader for the Android platform.
FBReaderJ supports several e-book formats: oeb, epub, fb2. In future releases the list will be extended to support the same formats as the original FBReader. Direct reading from zip, tar and gzip archives is supported.
FBReaderJ is distributed under the terms of the GNU GPL.