If iVideo is not enough for you, you can try Video Crop or Magisto. Both of those apps have a lot of useful features for video editing, the first one also allows ajusting the videofile's size. Try browsing androidgo.fun for other solutions. They review a lot of apps, including those which are for mounting video.

I always wanted to visit Tibet to have some spiritual experience. But for now it's only a dream

I've just finished reading Druss the Legend by David Gemmell. The book is awesome, strongly recommend to everyone who likes heroic fantasy novels