Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
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