Tetris Blitz, Dumb Ways to Die, Hardest Game Ever 2 and more on this week’s top free apps charts

Electronic Arts’ new Tetris title Tetris Blitz, which we got hands-on time with at the 2013 Game Developers Conference in March, fired up the top free iOS apps charts since releasing last Thursday, nabbing the No. 1 spot on both the top free iPhone and iPad apps charts. Metro Train Melbourne Pty’s action game Dumb Ways to Die made a huge splash on the iPhone charts, climbing its way to the No. 5 spot as of today. Rovio’s Angry