SimpleFramePlayer.cs

using UnityEngine;
using System.Collections;

public class SimpleFramePlayer : MonoBehaviour {

	public float fps;
	public Texture[] frames;
	
	private float spf;
	private float timeElapsed;
	private int currentFrame;

	void Start () {
		spf = 1f/fps;
	}
	
	void Update () {
		timeElapsed += Time.deltaTime;
		if( timeElapsed >= spf ){
			timeElapsed -=spf;
			currentFrame = ( currentFrame + 1 ) % frames.Length;
		}
		renderer.sharedMaterial.mainTexture = frames[currentFrame];
	}
}