PicsArt is probably the most popular photo editing tool for portable devices and smartphones, and Microsoft now made it available for free in Microsoft App Store. PicsArt is three-in one tool, as it could be used as photo editor, drawing tool and collage maker.How do you resize an app?
Gaze at the app, and then do one of the following. Gaze at a corner or edge of an app window, and tap and hold. Move your hand to change the app's size, and raise your finger when you're done. Select Adjust . Gaze at one of the blue squares at the corners of the app, tap and hold, then move your hand to resize the app.