If the 4-track limit of the AEMS trial is restrictive, consider these fully free (and legal) alternatives:
: Includes reverb, chorus, delay, compressor, and noise gate. Audio Evolution Mobile Studio Download Free
The developers, eXtream Software, have been actively updating Audio Evolution since 2015. Recent updates (v4.x) introduced: If the 4-track limit of the AEMS trial
Audio Evolution Mobile Studio is considered one of the most powerful mobile DAWs, rivaling desktop setups. Key professional features include: Google Play Audio Evolution Mobile TRIAL - Apps on Google Play and noise gate. The developers
Despite its mobile format, the software offers desktop-class capabilities: Audio Evolution Mobile TRIAL - Apps on Google Play