Here you choose the name of your app.
App long name: This is the name that will be shown in the App Store and Google Play and this is the name your costumers will search for to find your app.
App short name: This is the name that is visible when the app is installed on any devices.
General settings is also the place where you can delete your app.
When deleting your app it will disappear from both AppSpotr and App Store/Google Play store.