Yes—using a phone is a great way to build real photography skills. Focus on fundamentals that apply to any camera:

• Practice composition: try the rule of thirds, leading lines, symmetry, framing, and keeping backgrounds clean.
• Change your angle: don’t always shoot from eye level. Try getting lower, higher, or closer to change the perspective.
• Use light well: shoot in soft natural light when possible, and pay attention to where the light is coming from.
• Watch the environment: simplify the scene, remove distractions, and use surroundings to add context.
• Hold the phone steady: stability improves sharpness, especially in lower light.
• Tap to focus/expose: most Android cameras let you choose the subject and adjust brightness.
• Avoid excessive digital zoom: moving closer usually gives better quality.
• Edit lightly: cropping, exposure, contrast, and white balance can improve a good image.
• Practice often: shoot the same subject in different light, angles, and compositions to see what works.

A dedicated camera can help later, but learning to see light, composition, and timing matters more than the device.