HTML Theme newbie support and basic mistake to avoid


i m newbie in themeforest but have experience in creating html templates and landing page

i m uploading my first mobile landing template can you guide me what mistake i m making and that may lead to rejection

can some one please check and guide me what mistake i m making in this some basics so that help me to grow in themes developing

Thanks in advance for helping it would be great if some one check and say me what mistakes i should avoid in this and other themes in future i develop