Is this possible to place a checkbox for each checkbox column in app editors.

[Mahadevlube]

Is it pssible to place a Check button at Top of app Editor. So that user can select and disselect the table features with single click which will effect for every column. better to see the above image to understand what i talking for. 

[Gustavo_Eduardo]

Please submit it as an idea in the "Feature Ideas" section. It's a good suggestion.

[Mahadevlube]

Is this Feature Ideas section in app editors or here in forum page.

[Gustavo_Eduardo]

yes, of course. 
Check this https://www.googlecloudcommunity.com/gc/Feature-Ideas/idb-p/appsheet-ideas