Android collection is performed on a batch basis using Directories –> Andorid Collect.
Click the menu command, Directories –> Andorid Collect (this generates the file the first time)
Caddie will attempt to find your ADB executable from the Delphi registry entries.
You need to edit the android collect batch file (adbCollect.bat)
Use the menu, Directories –> Explore Data dir to locate the collection file (adbCollect.bat)
set ADB_EXE=C:\Users\Public\Documents\Embarcadero\Studio\21.0\Catalog Repository\AndroidSDK-2525-21.0.40680.4203\platform-tools\Adb.exe
The names in the list are seperated by a space
set APP_NAMES=com.embarcadero.prMarshald com.embarcadero.DevTool_RT_FMX