im using cocoonjs compiler and my window size is 960, 640 when i compile my project it is compatible in an android 2.3 mobile phone (Lenovo A269i 3.5,CloudFone GEO 402q, ) but when i put the apk file in higher than 2.3 mobile devices and tablets bigger screens the screen resolution goes crazy like it i shows a margin in edges and object goes to another position. pls help me how can optimize the screen resolution? i read this tutorial https://www.scirra.com/tutorials/1126/multiple-screen-sizing-for-all-mobile-devices but i doesn't effect my app.