How much is the size of Browser 4G and how many users have a pretty positive favorability on it?
Browser 4G is the App; pretty positive favorability refers to Sentiment_Polarity score = 0.5
SELECT T1.Size, COUNT(T1.App) FROM playstore AS T1 INNER JOIN user_reviews AS T2 ON T1.App = T2.App WHERE T1.App = 'Browser 4G' AND T2.Sentiment_Polarity >= 0.5