Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent 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