Hi @ajay.shah1626, welcome to Thunkable! The layout changes you are talking about usually happen when components have their resize mode set to “Float in Place” vs. “Stretch.”
Float in Place will render it the same as the design, regardless of the device. Stretch will update the size to fit the screen of the device. Try changing your components to Stretch resize mode and download your apk again. You should be good to go!