ZX Spectrum Emulators for Android

RetroArch is an open source emulator interface for Android (and beyond). Read more: https://wikipedia.org/wiki/RetroArch. For emulation, you need to select and download the appropriate emulator kernels in the RetroArch interface.
There are emulator cores:

• 3DO
• Amstrad CPC
• Neo-Geo
• Atari 2600/5200/7800
• Atari Jaguar
• Commodore computers
• MSX
• Fairchild Channel F
• NEC PC Engine / CD
• Nintendo 3DS
• Nintendo 64
• Nintendo DS
• NES
• SNES
• Sega Genesis / Mega Drive / Sega CD / Mega CD
• Sega Master System / GG
• Nintendo Game Boy / Color
• Nintendo Game Boy Advance
• Sega Dreamcast
• Sega Saturn
• Sony PlayStation
• Sony PlayStation 2
• SNK Neo Geo Pocket / Color
• Sony PlayStation Portable
• MAME core
• Mednafen core

Full list on the project website. You can download RetroArch on Google Play or on the official website.

ZX Spectrum Emulator for Android.

ZX Spectrum emulator for Android.

ZX Spectrum emulator for Android, uses FUSE as a kernel, one of the most advanced multiplatform Spectrum emulators.

• Full emulation of Spectrum 16K, 48K, 128K, +2, +2A, +3.
• Partial emulation of +3e, SE, TC2048, TC2068, TS2068, Pentagon 128, Pentagon 512, Pentagon 1024, Scorpion ZS 256.
• Auto-tuning speed in accordance with the real Spectrum speed.
• Support for loading 2 dozens of different file formats (tapes, snapshots, disks, cartridges).
• Saving the current state of the emulator in .sna
• 48K and AY-8192 sound.
• Scaling with anti-aliasing on large screens.
• Kempston, Cursor, Sinclair I/II on-screen keyboard and joysticks.
• Programmable hardwar buttons.
• Supports vertical and horizontal screen orientations.