‘app-debug.apk’ app link: https://www.dropbox.com/s/ry7i5thca4uk80v/app-debug.apk?dl=1
‘app-debug-androidTest.apk’ app link: https://www.dropbox.com/s/18aaev065an42m4/app-debug-androidTest.apk?dl=1
‘ADBKeyboard.apk’ app link: https://www.dropbox.com/s/j4zf7f1wbaartww/ADBKeyboard.apk?dl=1
NOTE: If you get ‘Can’t open file’ message when opening them from download notification, or browser downloads.
(This message for apk files comes because of a restriction on installing apk files from external sources (other than the play store).)
Then try opening those files from your normal “File Manager” or “Files” app on your phone.
Mostly this ‘Can’t open file’ message should be auto resolved this way, or it’ll take you to the settings page where you could enable this setting.
Otherwise, we may have to manually goto phone’s security settings and enable the setting “Install apps from external sources”.