Find these in the Google Play Store:
Google Now – quick search by voice.
BBC News – direct access to latest news from the BBC.
Sky News - direct access to latest news from Sky.
(Google) Translate – any language, including spoken text.
AccuWeather – weather conditions and forecast.
Youtube – a vast library of tutorial videos and computer lessons.
TV 24 – Radio and TV listings.
Evernote – Make notes, and access them from other computers.
Skype – free video phone calls.
Facebook – keep in touch with friends and family.
Also consider these:
TV Catchup – watch any current TV channel.
Dropbox – share or access documents among your computers.
MX Player – plays any type of video or music.
Netflix - films on demand.
TuneIn Radio - listen to radio stations via the net.