Prompt

Reduce mobile app download size.

<current_size>
{app size breakdown}
</current_size>

<size_limit>
{target size or constraints}
</size_limit>

<feature_requirements>
{features that must remain}
</feature_requirements>

Reduce:
1. Asset optimization
2. Code splitting
3. Dynamic delivery
4. Library alternatives
5. ProGuard/R8 rules
6. Resource optimization