4 years experience as youtuber.
Me use videopad editor software to edit my video before upload to YouTube.
If you want, me can send to you my video which can show to you my below 8 skills.
Below was my skill that I sure can fulfill your requirement. Look forward from your reply soon.
1. Add together 2 video
2. Trim long video to portion video
3. Transfer photos to video
4. Add text to video / photo at any position
5. Add effect on video - mirror, star, shake and so on.
6. Change, delete or add song / voice at video
7. Add introduction to video
8. Delete and add new dialogue to video