As we all know, simple screen shots are not enough to reach out customers anymore. They need to see the games in action or apps doing their thing to engage. Apple also know that, that's why they've recently introduced app previews recently. On Android side, there is a video trailer option on Google Play & Amazon Apps. Beyond all that, to getting a feature on review sites such as Appadvice GamingSOON or others simply require your game to have a video trailer ready.
Now you can easily give them what they want. I can deliver high quality work for a very reasonable budget with a short turn-around time. Check out my sample project at my website.
So, if you need teaser / gameplay trailer or app previews, feel free to contact me at firstname.lastname@example.org to discuss details such as my availability, time & budget.