Drag & Merge :234 Block Puzzle

In this puzzle game you have given 5 block in the bottom. In which drag the first block from the right side to any block in the BOARD present there. If this hand block meets the block on the board, numbers on the board will change to the sum of numbers on both blocks.Then after if its 2 or more adjacent block have the same number. They will merge into one and you will get a new number next of them. Try to get as high score as you can.