Just to provide this as an actual answer, though it comes without citation...
These are things over which you have no control.
There's nothing you can do to force full-screen.
You have no say over what app a PDF is opened in, nor even what platform.
You don't know if your user even has a touch-screen... & scroll-bars are applied by the OS.
I can switch ...
Not attached to the cell directly.
The easiest way is to add a button the size of the cell and make it invisible.
Just draw a rectangle over the cell, set its fill and stroke to None, then alter the options in Window > Interactive > Buttons & Forms
The arrow and bold number above are in a table cell.
I drew a rectangle over the cell to match it'...
Yes you can:
select a word on that specific line you are pointing to and go to 'Hyperlinks → New hyperlink destination', choose 'Text Anchor', give it a name (ABC) and hit 'Ok'. This is the target (or destination) of the link you are building.
then, select the word where you need to be able to click and go to 'Hyperlinks → New hyperlink', link to to 'Text ...
Some (many) years ago, I equipped several (PDF) catalogs with an order form. There are different possible approaches.
In some cases, we added a checkbox, or a button "buy it", which then transferred the item number and description to the order form page, where the user had to enter the number of ordering units.
In other cases, we added a text field where ...
I don't know about the search method but another solution would be create an option type input (combo box) order by categories. The client can select the product in the specific group of items.
Here a small tut to know how to achieve this: