Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @All4 is the android app it designed to be buggy and work sporadically on a fire TV box? #shocking
This tweet contains emotions: 
anger, surprise