I MAKE MASHUP
Apps for making mashup and slowed reverb songs:
"Fl Studio Mobile" - making mashup.
"Music Speed changer" - for check song bpm, key and make slowed reverb song.
Apps for thumbnail:
"PS CC" - Adobe Photoshop for mobile.
"Pixellab" - text fonts.
"Magic Eraser" - AI app for changing aspect ratio.
All apps using in android smartphone!