Recording Studio is a multi-touch sequencer for Android devices*.

Designed for quick and simple operation Recording Studio makes recording editing and mixing a breeze.
Recording Studio is the perfect way to create great sounding music productions.
With this free version you can record up to 2 tracks (24 tracks with the Pro version) by choosing between audio recordings or by using the virtual instrument 'Grand Piano' (in the Pro vesion there are 8 other virtual instruments: drums classical guitar rock organ pipe organ bass strings harpsichord electric guitar).
The virtual instrument tracks can be recorded using the multitouch keyboards optimized for high performance and responsive touch.
The audio tracks can be recorded using the built-in microphone or by connecting an external microphone.
After recording your tracks you may want to edit them in the integrated sample editor (copy/paste split loop fader reverb).
Now you can import mp3 and wav audio files from your hard drive.

Recording studio is constantly being updated and continually improved with new features.


Features

•Up to 2 tracks (24 tracks with the Pro version) choosing between audio recordings or the virtual instrument 'Grand Piano'
•In this free version you can use without limitation the sounds of virtual instrument 'Grand Piano' (in the Pro vesion there are 8 other virtual instruments: drums classical guitar rock organ pipe organ electric guitar
•Mixer with built-in realistic reverb effect (with independent settings on each track)
•Key Editor (delete copy/paste each single note)
•Sample editor: copy/paste split loop fade-in/fade-out each audio recording session
•Stereo VU displays for all channels
•96 keys and 8 selectable octaves
•Multi-touch keyboards and virtual instruments.
•Two sets of keyboards (display 1 or 2 keyboards)
•Keyboard mappings (two ways of displaying key value)
•Ability to scroll the keyboards in the scrollbar area or with arrow buttons to see different sets of keys
•Custom scale keyboards
•Configurable metronome. Tempo: 30 - 260 BPM. Time Signatures: 1/4 2/4 3/4 4/4 5/4 6/4 7/4 8/4
•Import mp3 and wav audio files from hard drive.

______________________________________
* TRY THE NEW VERSION!
If you have a device that meets one of these 2 requirements:

1) Device with Android Oreo.
or
2) Samsung device with Samsung Professional Audio (SAPA) technology (with Android Marshmallow 6 or Android Nougat 7).
Phone: Galaxy S5 S5 Neo S6 S6 Edge S6 Edge Plus S6 Active S7 S7 Edge S7 Active S8 S8 Edge S8 + Note 8 S8 Active Note 4 Note Edge Note 5 Notes FE (Korea only) A5 2016 A7 2016 A8 2016 A9 2016 A9 Pro 2016 A3 2017 A5 2017 A7 2017 J7 2016 J7 Pop (for Qualcomm chipset device Android 7.0 or later version) J3 2017 J5 2017 J7 2017 C5 Pro C7 Pro C9 C9 Pro On7 A8 A3 2016 (Android 7.0 OS or later version) J7 Lite (Android 7.0 OS or later version)
Tablet: Galaxy Tab S Tab S2 Tab S3 View Note 10.1 2014 (Anroid 5.x or Later Version) Tab A 10.1 2016. Tab A with Pen 10.1 2016

then try Recording Studio Pro Plus:

https://play.google.com/store/apps/details?id=com.glaucopercopo.app.recordingstudioproplus