It is tricky to convert the ZIp FIle into an APK. You have to first change the Download the DLS in Zip file from this site; in the zip file is because it is enormous; therefore, it is easy to save on the zip file. Then, you have to download ZArchiever from the Google Play store; after this, open the app and go to the DLS Zip file you downloaded. Click the file and extract all; copy the extracted OBB file and paste it into the ANDROID, then OBB. That's the end. Now click the OBB file or the DLS application to install.