Please critique my work

[photo4arteu]

hi.
I create computer graphics for stock
please your opinions what you like and what does not in my works.

address to my portfolio: https://www.behance.net/photo4arte39d8

some examples of my work:

 

[Abegail Louise Acosta]

Great designs, simple but chic... Nicely done. Thumbs up!

 

[DarranD]

which software you used btw nice work amazing

 

[Kapil Arora]

Thanks for sharing your creativity with us. It would be really great if you can share some information on how you created such awesome work.