Simple. 3) 50 Free Stickers to use - Pick any sticker and touch the screen to add sticker - You can move the sticker anywhere in the screen - Use gesture to zoom and rotate the sticker to different size 4) Import pictures and take photos with camera - Import pictures from your photo library to draw and edit - Take photos with camera - Draw on the pictures and add shapes and stickers 5) Support image filters to edit drawing - 8 pre-loaded image filters to use 6) Undo and Redo features - Currently, support upto 5 times undo/redo 7) Eraser function to remove sketch - You can change the size of the eraser in the setting view with different brush thickness. 8) Delete and reset the drawing 9) Save the drawing/images to photo library 10) Share the drawing/images with Facebook, Twitter and Sina Weibo social network. 11) Send the drawing/images by email and message