Hi,
I propose to have a button on the computer to switch between phone and computer view in order to build the app in parallel on the phone and not go to the phone each time.
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Hello Matthieu, have you tried this Chrome extension Mobile simulator - responsive testing tool - Chrome Web Store ? 
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I didn’t think to look at the blind. Thx
Thank you for sharing that - that is a huge help in developing/tuning apps for mobile