Download the latest DOSwriter Android .apk app installer
Download elmer-syncd Remote Host Server
These are gdrive links.
You will see these warnings when you try to download :
Google Drive has detected issues with your download This file is too large for Google to scan for viruses. This file is executable and may harm your computer. DOSwriterv0.1app-debug.apk (27M)
When you try to install Android may warn about sideloaded APK files.
You may need to allow installation from unknown source in Android Settings.