I have been using Construt2 for making games since 1-2 months & I really love it for the ease it provides to develop games. I developed a game with resolution: (768x1024). It runs well on iPad(62 fps). BUT it's showing very very poor performance on iPhone (30 fps) and Android (7-15 fps).
For getting the game fit to screen, i have scaled it at the start of layout only and exported it with crop mode on CocoonJS platform . I have gone through the 'Performance tips' on manual and in tutorial (provided by ranma).
(.zip size of project: 17 MB)
(Number of physics objects in each level/layout: 13)
(Average number of objects in a layout: 35)
If anyone could suggest me on how to improve performance I would really appreciate it.