Did you edit the language to change the text? When creating the new language, you need to enter the translated text or it won't change anything.
I know nothing about the plugin, it's just the first thing I found when searching for a translation plugin.
Most of what you would want to translate is located in the content.php file in the theme folder; if the translation plugin doesn't work, you can edit that file.
When I am in mobile version I cannot see the button Hire ME TODAY and the title: Helle My name is Arthur Klein. I have to turn mobile to see that.
How can I do if want that it appears directly without to need to turn smartphone mobile?