Create a Windows Azure account at http://WindowsAzure.com. The free tier is sufficient for many data collection activities. Please get organizational approval first if you are using this service for official purposes!
Remember (or copy) this name as you will need to provide it to the app.
You may also use a previously created SQL Server database in Windows Azure.
Remember (or copy) the Application Key as the app will need it to authenticate against your service.
Also note the various cloud synchronization settings available. You may configure the device to operate as a data sender or a sender and a receiver. You may also allow local deletions to be propagated to the cloud.
Note: It is recommended that you lock the settings screen using an Administrative Password so that your data collectors don't accidentally change the settings.
Note that this Table Name needs to exactly match the corresponding Form Name in the app.