gistfile1.txt

remoteConfigManager = new RemoteConfigManager();
remoteConfigManager.GetInstance();
remoteConfigManager.Fetch();

Debug.Log($"Value: {remoteConfigManager.GetValueAsString("Key1")}");
Dictionary<string, object> values = remoteConfigManager.GetMergedAll();
foreach (KeyValuePair<string, object> kvp in values)
{
    Debug.Log($"[Remote Config]: key:{kvp.Key} / value:{kvp.Value}");
}
if (remoteConfigManager.GetValueAsString("Key1") == "Value1")
{
    GameObject[] btn = GameObject.FindGameObjectsWithTag("Button");
    // Iterate through the array of 'btn' and add them to the 'buttons' list
    for (int i = 0; i < btn.Length; i++)
    {
      ColorBlock cb = btn[i].GetComponent<Button>().colors;
      cb.normalColor = Color.red;
      btn[i].GetComponent<Button>().colors = cb;
    }
    Dictionary<string, object> map = new Dictionary<string, object>();
    map.Add("Key1", "Value2");

    remoteConfigManager.ApplyDefault(map);
}
else
{
    Dictionary<string, object> map = new Dictionary<string, object>();
    map.Add("Key1", "Value1");
    remoteConfigManager.ApplyDefault(map);
}