JSFiddle - React, Tailwind, and code Playground

JavaScript

var data = [{
    "id": "11105",
    "name": "Gummy Drop (iPhone, Free, ROW except CN, 72.3MB, w"
}, {
    "id": "11107",
    "name": "Gummy Drop (iPad, Free, ROW except CN, 72.3MB, w\/ "
}, {
    "id": "4274",
    "name": "Z-Redirect Non-Targeted Traffic Dragon City Mobile"
}, {
    "id": "6484",
    "name": "Z-Redirect Non-Targeted Traffic Dragon City Mobile"
}];

var aColumns = [], i, j;

for(i = 0; i < data.length; i++) {
    keycolumns = Object.keys(data[i]);
    
    for (j = 0; j < keycolumns.length; j++) {
        if (!aColumns.length || !aColumns.filter(function(el) { return el.sTitle == keycolumns[j]; }).length) {
            aColumns.push({sTitle: keycolumns[j]});
        }                                
    }
}

console.log(aColumns);