iOS app review: One Tap Tennis is a brilliant game from Chillingo that takes you on a world tennis tour, playing match after match. Can you win the tournaments and beat all opponents?

You think you are a good driver? How about driving a truck with eggs in the back and you have to negotiate hills and obstacles without breaking them? Welcome to Risky Road, an app for iOS.

There are lots of brain training apps for your mobile phone or tablet and they are great fun to play. On test is one called Memorado and it is free for Android and iOS phones and tablets.

King’s Empire (Deluxe) is a variation of an old game format, but there are new elements that make it new and exciting. It is a build and battle type of game and if you are a fan of the genre, you will love it.

Tentacle Wars is a fascinating game for the iPhone, iPad, and Android phones and tablets that will have hooked within five minutes of firing up the game for the first time. Warning: It is very addictive!

Riddle Stones – Cross numbers is a puzzle game that will put your logic skills to the test on your phone or tablet. Give your brain a good workout with a collection of over 1,000 games.

Games developer Full Fat has two entertaining Blocky apps for the iPhone, iPad and Android phones and tablets. Blocky Football and Blocky Raider are perfect for passing a few hours at the weekend.

Ubisoft’s Sandstorm: Pirate Wars puts you in control of a sand cruiser, battling for survival in the desert heat of a post-apocalyptic future. It’s a great game for your mobile phone or tablet.

Two motorcycling games are on test – Traffic Rider and Highway Traffic Rider. Both offer endless riding through traffic-filled streets and are great fun to play whenever you have a spare minute.

Sometimes you don’t want to think too hard when playing a game and you just want to blast everything that moves. Endless Shooter and Icarus are two Android games that will satisfy your need.

Color Switch is a mobile game based on colours and it was released that the end of 2015. Since then it has become one of the most popular games on Android and on iOS. Color Switch has been developed by Fortafy Games who also developed the Snake gameplay-esqu Thug Worm game.

If you are a fan of MMO (massively multiplayer online games), you have a lot of choice and it is a popular genre. Three top games for the iPhone and iPad are tested and there are winners and losers.

Haypi Co. specialises in MMOGs (massively multiplayer online games) and in Haypi Adventure: Kingdom of Glory you join an online world with thousands of others, battling for supremacy.

Aliens have landed and they are invading, bringing death and destruction to the world. It is up to you and your army to defend it from the monstrous hoards and save the world. Top fun for your tablet or phone.

Remember the hit game Crossy Road? The creators have another in their portfolio called Shooty Skies. It has a similar design and it is fast, infuriating and a lot of fun. It is also free.

Combo Quest is one of those games that are incredibly simple, yet additive and challenging. It is more than challenging, it is downright hard, but it remains fun to play and it is free.

3D tank battle games date back to Atari Battlezone in 1980 and that original game was a classic. Iron Force for the iPad, iPhone and Android devices is even more exciting. If you like this type of game it is definitely one to add to your collection.

Two years after the original Modern Conflict comes Modern Conflict 2, which updates the old real-time strategy war game with new battles and new features. It’s a brilliant action-packed game for your phone or tablet.

There are a number of games for your phone that are super simple, very hard, frustrating, yet lots of fun. Flappy Bird and Crossy Road are two examples, and now Cliffy Jump. It's fast, addictive and entertaining.

Remember Snake on the old and classic Nokia 3310 phone? Arrow is like a modern version of that, with a few twists and turns. It is fast paced, highly addictive and frustratingly difficult. You won’t be able to stop playing.