You can find Cross DJ Pro on Google Play for a one-time purchase with no ads and all future updates included.

The (often packaged for the arm64-v8a architecture) is popular among users looking for a stable, high-performance experience on modern 64-bit devices.

For specific builds like 2122010401, reliable repositories like Uptodown often host older or specific versions of APKs. Cross DJ Pro - Mix & Remix - Apps on Google Play

If you want to try before you buy, the Cross DJ Free version offers a solid introduction to the platform.

Access over 70 one-shot samples and 12 loops, or use the XY effects pad to shape your sound with pro-grade FX.