4-LIST

Icons on left activate menu tools and toggle selection. Icons have different meaning add icon is for searchable index, play icon is what to buy, pause icon is buy it later, trashcan icon is to be sorted last. The floating button showing an digit that is current list and have many functions, it adds text to list when there is no selection and hide and shows tools. It's as simple as write down a what to buy list and next time you can chose from previous buy list that are confirmed by pressing text line.