What's the best Android app for manual camera controls to shoot videos with an external mic?

DSLR HD Camera is a strong contender for users seeking to bypass their phone's default camera limitations, particularly for video projects requiring external audio gear. The app's primary draw is its suite of manual controls—adjusting focus, exposure, white balance, and ISO—which grant a level of creative precision absent from most stock camera apps. Its reliable support for external USB or Bluetooth microphones is a standout feature for vloggers, interviewers, or anyone producing content where audio quality is paramount. Reviews indicate the app performs stably with external audio devices, a common pain point with simpler alternatives. While it supports 4K video capture and maintains a small storage footprint, the experience is accompanied by frequent advertisements, which some users find intrusive. For the specific use case of manual video recording with enhanced audio, however, its functional advantages often outweigh this commercial trade-off. The interface is reported to be straightforward, making it accessible even for those new to manual settings. It serves as a practical, no-frills tool that effectively transforms a smartphone into a more capable video rig without requiring expensive hardware.