Hi!
Thank you so much for your feedback! Let's see: the gauge telling you how many points you have with each character is a planned feature. The other feature for the phone (using it as a notepad) have never crossed my mind; I'll give it a thought.
To hide the textbox you just need to press "h" (hide), and it will disappear. There's a "help" option in the game menu with many interesting features for games made in renpy, I recommend you to check it out!
The missing texts and lunch breaks will be there in a next update, sorry. But if they are missing is because they aren't essential for the love interest's route.
There's currently one foreplay scene with Gabriel and another with Ivaan, but there will be one with each character for sure.
If you have more suggestions, please keep them coming! ;)