*Summary in one line: It's a shame to pay for it alone, so pay for it too^^. First of all, the lecture itself lacks talent and the delivery is really bad. Rather than saying that he's a professional in this field and knows a lot, it feels like he doesn't have much knowledge throughout the lecture. When I listen to a lecture or class, I feel like, 'This person really knows a lot', but I don't get that feeling at all in this lecture. Additionally, this lecture is about 'Android Malware App Analysis', but he keeps mentioning unnecessary side stories and wasting time. I wonder about his academic background and proper career. I wonder if he has any impressive achievements, but he probably didn't write them down because he doesn't have any. If you don't believe me, pay your own money and listen to it yourself. How can he give this a good review? This is the worst lecture I've ever seen in Inflearn.