Pie Cannon can send anything, although some server types may have restrictions. But for now it's just plain sftp/ftp/http and we can push anything through that.

android/src/main/AndroidManifest.xml

@@ -23,8 +23,7 @@
             <intent-filter>
                 <action android:name="android.intent.action.SEND"/>
 
-                <data android:mimeType="image/*"/>
-                <data android:mimeType="text/plain"/>
+                <data android:mimeType="*/*"/>
 
                 <category android:name="android.intent.category.DEFAULT"/>
             </intent-filter>