Please refer attached image for clarity.
1)How can I increase the number of columns in the show application? I want to Increase it to 7 or 8. I lthis question This works but is there some extension to available to do this? Answered Here
2) Also, I don't really like the animation with which the icons load up after I click on show applications button is there any way to change it and make it cleaner probably the animation used in windows 8 for start button.
dconf-editor
and set this to trueorg > gnome > shell > extensions > dash-to-dock
– Kid101 Aug 23 '18 at 18:32