To use all the apps you need to be logged in with a windows account. The way I work off-line is to create the Ethernet adaptor icon on the desktop so it's convenient to disable. Easier that physically removing the Ethernet cable. You can also create a short cut for your wlan card and disable it. If a laptop simply switch off wlan.
Right click the Network internet access icon in the notification area, select Open Network and Sharing Center, Select Change adapter Settings on the left side, right click the adapter and select Create Shortcut, Windows will kindly tell you it can't create it here but would you like it on the desktop. Select yes. Close the pane. On the desktop right click the icon and select open file location, right click the icon in the pane that opens and select disable. Close the pane. Reverse to enable. For some reason Win 8 does not work the same as Win 7 where you can do this correctly on the desktop icon.
As for an app for your country's footy teams/ leagues, check out Google.