FetchFile 

Namespace: SynicSugar.TitleStorage

public static async UniTask<bool> FetchFile(string fileName)

Description 

Exsist target? If not, Download it from EOS server.
After call this, we can load the target as Resources or AssetBundle.

using System.Collections.Generic;
using SynicSugar.TitleStorage;
using UnityEngine;

public class TitleStorageSample : MonoBehaviour {
    [SerializeField] Text currentProgress;
    async void Start() {
        await FetchFile("TestLogo");
    }
}