"adb use some of TCP ports for connecting to devices. Please disable antivirus / firewall for some time and check again. If it works then you can move adb in exception list. You may also need to add android and emulator into the exception list.
"1) Need to consider the AppStore. Is info on App store correct?, can application be searched using appropriate keywords?
2) Need to test for App version upgrade
3) Integration with existing apps (Contacts, Calendar, Phone Camera etc)"
"There are different app stores for each OS and also for most of the Service providers.
The app store entry is the first thing customer will see and any issue (wrong description, images) etc will have more impact"