The file is not just "binary data" of the xml. There is a "format" to the android xml.

You can look at AXMLPrinter2 - it takes the binary xml and converts it to human readable. I Linked directly to a class that looks like it does the bulk of the work.

What information do you need from the manifest file? The aapt.exe in the android SDK can also pull all the info out of the android manifest file. You would just have to run that command (with the needed switches) and parse the console output stream.

You could encode the binary data using base64 and put it into a Base64 element; the below article is a pretty good one on the subject.

Handling Binary Data in XML Documents

You can write a script with pure Python 3. These modules can help you:

• xml.etree.ElementTree
• base64

As mentioned in the comment, to decode the value of content, you need to remove all the 
 first, which seem to be carriage returns as HTML entities.

Depending upon how your docs were saved as binary() nodes, you might be able to used xdmp:quote() and then xdmp:unquote().

Below is a quick proof of concept that shows how content that was saved as binary can be turned back into either text or XML:

xquery version "1.0-ml";
xdmp:document-insert("/test.xml", 
  binary{ xs:hexBinary(xs:base64Binary(xdmp:base64-encode(xdmp:quote(<doc>test</doc>))))}),
xdmp:document-insert("/test.txt", 
  binary{ xs:hexBinary(xs:base64Binary(xdmp:base64-encode(xdmp:quote("test" ))))})
;
for $ext in ("xml", "txt")
let $doc := doc("/test." || $ext)
where $doc/node() instance of binary() 
      (: you could also restrict to docs who's URIs end with .xml, .txt, etc :)
return
  let $doc-text := xdmp:quote($doc)
  let $doc-decoded :=
    if (fn:starts-with($doc-text, "&lt;")) 
    then xdmp:unquote($doc-text)
    else $doc-text 
  return
    $doc-decoded
;
xdmp:document-delete("/test.xml"),
xdmp:document-delete("/test.txt")

If you wanted to "fix" the documents, you could then use xdmp:node-replace() to replace the binary() node with the decoded document:

xdmp:node-replace($doc/node(), $doc-decoded)

You could run a batch job, using the MarkLogic Java DMSDK or a CORB job to select those docs and re-save them.

• FI can help you, and you can check this video (you can convert binary XML to XML, edit XML, and you can convert XML to Binary XML),
• it is not free, but you can check Stylus,
• maybe Jujuedit can help you